Home / 31,506,712.40-47,260,068.60-7,572,184.40

Finding the Fourth Proportional to 31,506,712.40, 47,260,068.60 and 7,572,184.40

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Solution

The fourth proportional to 31,506,712.40, 47,260,068.60 and 7,572,184.40 is: 11,358,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,712.40 : 47,260,068.60 = 7,572,184.40 : x
  2. Step 2: Convert to fraction form
    31,506,712.40/47,260,068.60 = 7,572,184.40/x
  3. Step 3: Cross multiply
    31,506,712.40x = 47,260,068.60 × 7,572,184.40
  4. Step 4: Simplify right side
    31,506,712.40x = 357,861,954,195,849.88
  5. Step 5: Solve for x
    x = 357,861,954,195,849.88/31,506,712.40
  6. Step 6: Final answer
    x = 11,358,276.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.