Home / 10,516,415.60-15,774,623.40-5,207,999.60

Finding the Fourth Proportional to 10,516,415.60, 15,774,623.40 and 5,207,999.60

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Solution

The fourth proportional to 10,516,415.60, 15,774,623.40 and 5,207,999.60 is: 7,811,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,415.60 : 15,774,623.40 = 5,207,999.60 : x
  2. Step 2: Convert to fraction form
    10,516,415.60/15,774,623.40 = 5,207,999.60/x
  3. Step 3: Cross multiply
    10,516,415.60x = 15,774,623.40 × 5,207,999.60
  4. Step 4: Simplify right side
    10,516,415.60x = 82,154,232,357,350.64
  5. Step 5: Solve for x
    x = 82,154,232,357,350.64/10,516,415.60
  6. Step 6: Final answer
    x = 7,811,999.40

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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.