Home / 12,776,423.60-19,164,635.40-9,174,580.40

Finding the Fourth Proportional to 12,776,423.60, 19,164,635.40 and 9,174,580.40

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Solution

The fourth proportional to 12,776,423.60, 19,164,635.40 and 9,174,580.40 is: 13,761,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,423.60 : 19,164,635.40 = 9,174,580.40 : x
  2. Step 2: Convert to fraction form
    12,776,423.60/19,164,635.40 = 9,174,580.40/x
  3. Step 3: Cross multiply
    12,776,423.60x = 19,164,635.40 × 9,174,580.40
  4. Step 4: Simplify right side
    12,776,423.60x = 175,827,488,313,986.16
  5. Step 5: Solve for x
    x = 175,827,488,313,986.16/12,776,423.60
  6. Step 6: Final answer
    x = 13,761,870.60

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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.