Home / 31,480,106.20-47,220,159.30-11,287,389.40

Finding the Fourth Proportional to 31,480,106.20, 47,220,159.30 and 11,287,389.40

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Solution

The fourth proportional to 31,480,106.20, 47,220,159.30 and 11,287,389.40 is: 16,931,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480,106.20 : 47,220,159.30 = 11,287,389.40 : x
  2. Step 2: Convert to fraction form
    31,480,106.20/47,220,159.30 = 11,287,389.40/x
  3. Step 3: Cross multiply
    31,480,106.20x = 47,220,159.30 × 11,287,389.40
  4. Step 4: Simplify right side
    31,480,106.20x = 532,992,325,549,131.38
  5. Step 5: Solve for x
    x = 532,992,325,549,131.38/31,480,106.20
  6. Step 6: Final answer
    x = 16,931,084.10

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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.