Home / 14,335,987.90-19,783,654.58-7,897,459.90

Finding the Fourth Proportional to 14,335,987.90, 19,783,654.58 and 7,897,459.90

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Solution

The fourth proportional to 14,335,987.90, 19,783,654.58 and 7,897,459.90 is: 10,898,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335,987.90 : 19,783,654.58 = 7,897,459.90 : x
  2. Step 2: Convert to fraction form
    14,335,987.90/19,783,654.58 = 7,897,459.90/x
  3. Step 3: Cross multiply
    14,335,987.90x = 19,783,654.58 × 7,897,459.90
  4. Step 4: Simplify right side
    14,335,987.90x = 156,240,618,721,001.34
  5. Step 5: Solve for x
    x = 156,240,618,721,001.34/14,335,987.90
  6. Step 6: Final answer
    x = 10,898,489.86

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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.