Home / 30,655,563.68-42,305,699.16-16,717,681.28

Finding the Fourth Proportional to 30,655,563.68, 42,305,699.16 and 16,717,681.28

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Solution

The fourth proportional to 30,655,563.68, 42,305,699.16 and 16,717,681.28 is: 23,070,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655,563.68 : 42,305,699.16 = 16,717,681.28 : x
  2. Step 2: Convert to fraction form
    30,655,563.68/42,305,699.16 = 16,717,681.28/x
  3. Step 3: Cross multiply
    30,655,563.68x = 42,305,699.16 × 16,717,681.28
  4. Step 4: Simplify right side
    30,655,563.68x = 707,253,194,884,443.62
  5. Step 5: Solve for x
    x = 707,253,194,884,443.62/30,655,563.68
  6. Step 6: Final answer
    x = 23,070,957.11

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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.