Home / 7,178,045.04-9,905,428.36-3,958,781.04

Finding the Fourth Proportional to 7,178,045.04, 9,905,428.36 and 3,958,781.04

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Solution

The fourth proportional to 7,178,045.04, 9,905,428.36 and 3,958,781.04 is: 5,462,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,045.04 : 9,905,428.36 = 3,958,781.04 : x
  2. Step 2: Convert to fraction form
    7,178,045.04/9,905,428.36 = 3,958,781.04/x
  3. Step 3: Cross multiply
    7,178,045.04x = 9,905,428.36 × 3,958,781.04
  4. Step 4: Simplify right side
    7,178,045.04x = 39,213,421,984,646.29
  5. Step 5: Solve for x
    x = 39,213,421,984,646.29/7,178,045.04
  6. Step 6: Final answer
    x = 5,462,966.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.