Home / 7,931,987.34-11,897,981.12-5,235,681.82

Finding the Fourth Proportional to 7,931,987.34, 11,897,981.12 and 5,235,681.82

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Solution

The fourth proportional to 7,931,987.34, 11,897,981.12 and 5,235,681.82 is: 7,853,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,987.34 : 11,897,981.12 = 5,235,681.82 : x
  2. Step 2: Convert to fraction form
    7,931,987.34/11,897,981.12 = 5,235,681.82/x
  3. Step 3: Cross multiply
    7,931,987.34x = 11,897,981.12 × 5,235,681.82
  4. Step 4: Simplify right side
    7,931,987.34x = 62,294,043,444,687.23
  5. Step 5: Solve for x
    x = 62,294,043,444,687.23/7,931,987.34
  6. Step 6: Final answer
    x = 7,853,522.80

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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.