Home / 7,187,432.69-9,919,526.89-4,090,709

Finding the Fourth Proportional to 7,187,432.69, 9,919,526.89 and 4,090,709

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Solution

The fourth proportional to 7,187,432.69, 9,919,526.89 and 4,090,709 is: 5,645,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,432.69 : 9,919,526.89 = 4,090,709 : x
  2. Step 2: Convert to fraction form
    7,187,432.69/9,919,526.89 = 4,090,709/x
  3. Step 3: Cross multiply
    7,187,432.69x = 9,919,526.89 × 4,090,709
  4. Step 4: Simplify right side
    7,187,432.69x = 40,577,897,924,665.02
  5. Step 5: Solve for x
    x = 40,577,897,924,665.02/7,187,432.69
  6. Step 6: Final answer
    x = 5,645,673.45

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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.