Home / 10,342,460.40-15,513,690.60-9,226,434.30

Finding the Fourth Proportional to 10,342,460.40, 15,513,690.60 and 9,226,434.30

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Solution

The fourth proportional to 10,342,460.40, 15,513,690.60 and 9,226,434.30 is: 13,839,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,460.40 : 15,513,690.60 = 9,226,434.30 : x
  2. Step 2: Convert to fraction form
    10,342,460.40/15,513,690.60 = 9,226,434.30/x
  3. Step 3: Cross multiply
    10,342,460.40x = 15,513,690.60 × 9,226,434.30
  4. Step 4: Simplify right side
    10,342,460.40x = 143,136,047,071,427.59
  5. Step 5: Solve for x
    x = 143,136,047,071,427.59/10,342,460.40
  6. Step 6: Final answer
    x = 13,839,651.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.