Home / 21,304,319,487.40-29,375,901,799.26-15,934,671,466.12

Finding the Fourth Proportional to 21,304,319,487.40, 29,375,901,799.26 and 15,934,671,466.12

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Solution

The fourth proportional to 21,304,319,487.40, 29,375,901,799.26 and 15,934,671,466.12 is: 21,971,851,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,319,487.40 : 29,375,901,799.26 = 15,934,671,466.12 : x
  2. Step 2: Convert to fraction form
    21,304,319,487.40/29,375,901,799.26 = 15,934,671,466.12/x
  3. Step 3: Cross multiply
    21,304,319,487.40x = 29,375,901,799.26 × 15,934,671,466.12
  4. Step 4: Simplify right side
    21,304,319,487.40x = 468,095,344,192,211,517,440
  5. Step 5: Solve for x
    x = 468,095,344,192,211,517,440/21,304,319,487.40
  6. Step 6: Final answer
    x = 21,971,851,505.00

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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.