Home / 15,581,376.24-23,478,418.64-12,803,711.28

Finding the Fourth Proportional to 15,581,376.24, 23,478,418.64 and 12,803,711.28

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Solution

The fourth proportional to 15,581,376.24, 23,478,418.64 and 12,803,711.28 is: 19,292,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581,376.24 : 23,478,418.64 = 12,803,711.28 : x
  2. Step 2: Convert to fraction form
    15,581,376.24/23,478,418.64 = 12,803,711.28/x
  3. Step 3: Cross multiply
    15,581,376.24x = 23,478,418.64 × 12,803,711.28
  4. Step 4: Simplify right side
    15,581,376.24x = 300,610,893,609,539.50
  5. Step 5: Solve for x
    x = 300,610,893,609,539.50/15,581,376.24
  6. Step 6: Final answer
    x = 19,292,961.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.