Home / 21,730,210.40-29,985,935.04-12,563,444

Finding the Fourth Proportional to 21,730,210.40, 29,985,935.04 and 12,563,444

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Solution

The fourth proportional to 21,730,210.40, 29,985,935.04 and 12,563,444 is: 17,336,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,210.40 : 29,985,935.04 = 12,563,444 : x
  2. Step 2: Convert to fraction form
    21,730,210.40/29,985,935.04 = 12,563,444/x
  3. Step 3: Cross multiply
    21,730,210.40x = 29,985,935.04 × 12,563,444
  4. Step 4: Simplify right side
    21,730,210.40x = 376,726,615,662,677.75
  5. Step 5: Solve for x
    x = 376,726,615,662,677.75/21,730,210.40
  6. Step 6: Final answer
    x = 17,336,537.88

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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.