Home / 12,547,731.48-18,822,496.32-5,253,851.98

Finding the Fourth Proportional to 12,547,731.48, 18,822,496.32 and 5,253,851.98

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Solution

The fourth proportional to 12,547,731.48, 18,822,496.32 and 5,253,851.98 is: 7,881,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,731.48 : 18,822,496.32 = 5,253,851.98 : x
  2. Step 2: Convert to fraction form
    12,547,731.48/18,822,496.32 = 5,253,851.98/x
  3. Step 3: Cross multiply
    12,547,731.48x = 18,822,496.32 × 5,253,851.98
  4. Step 4: Simplify right side
    12,547,731.48x = 98,890,609,582,902.84
  5. Step 5: Solve for x
    x = 98,890,609,582,902.84/12,547,731.48
  6. Step 6: Final answer
    x = 7,881,154.44

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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.