Home / 7,069,389.04-9,755,158.32-3,971,669.68

Finding the Fourth Proportional to 7,069,389.04, 9,755,158.32 and 3,971,669.68

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Solution

The fourth proportional to 7,069,389.04, 9,755,158.32 and 3,971,669.68 is: 5,480,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,389.04 : 9,755,158.32 = 3,971,669.68 : x
  2. Step 2: Convert to fraction form
    7,069,389.04/9,755,158.32 = 3,971,669.68/x
  3. Step 3: Cross multiply
    7,069,389.04x = 9,755,158.32 × 3,971,669.68
  4. Step 4: Simplify right side
    7,069,389.04x = 38,744,266,523,143.74
  5. Step 5: Solve for x
    x = 38,744,266,523,143.74/7,069,389.04
  6. Step 6: Final answer
    x = 5,480,567.88

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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.