Home / 30,688,306.56-42,349,654.56-16,937,270.40

Finding the Fourth Proportional to 30,688,306.56, 42,349,654.56 and 16,937,270.40

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Solution

The fourth proportional to 30,688,306.56, 42,349,654.56 and 16,937,270.40 is: 23,373,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,306.56 : 42,349,654.56 = 16,937,270.40 : x
  2. Step 2: Convert to fraction form
    30,688,306.56/42,349,654.56 = 16,937,270.40/x
  3. Step 3: Cross multiply
    30,688,306.56x = 42,349,654.56 × 16,937,270.40
  4. Step 4: Simplify right side
    30,688,306.56x = 717,287,550,629,313
  5. Step 5: Solve for x
    x = 717,287,550,629,313/30,688,306.56
  6. Step 6: Final answer
    x = 23,373,318.08

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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.