Home / 42,631,330.60-63,932,999.10-15,701,487.40

Finding the Fourth Proportional to 42,631,330.60, 63,932,999.10 and 15,701,487.40

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Solution

The fourth proportional to 42,631,330.60, 63,932,999.10 and 15,701,487.40 is: 23,547,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631,330.60 : 63,932,999.10 = 15,701,487.40 : x
  2. Step 2: Convert to fraction form
    42,631,330.60/63,932,999.10 = 15,701,487.40/x
  3. Step 3: Cross multiply
    42,631,330.60x = 63,932,999.10 × 15,701,487.40
  4. Step 4: Simplify right side
    42,631,330.60x = 1,003,843,179,812,861.38
  5. Step 5: Solve for x
    x = 1,003,843,179,812,861.38/42,631,330.60
  6. Step 6: Final answer
    x = 23,547,075.96

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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.