Home / 31,466,718-47,195,593.04-9,900,759.40

Finding the Fourth Proportional to 31,466,718, 47,195,593.04 and 9,900,759.40

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Solution

The fourth proportional to 31,466,718, 47,195,593.04 and 9,900,759.40 is: 14,849,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466,718 : 47,195,593.04 = 9,900,759.40 : x
  2. Step 2: Convert to fraction form
    31,466,718/47,195,593.04 = 9,900,759.40/x
  3. Step 3: Cross multiply
    31,466,718x = 47,195,593.04 × 9,900,759.40
  4. Step 4: Simplify right side
    31,466,718x = 467,272,211,336,117.50
  5. Step 5: Solve for x
    x = 467,272,211,336,117.50/31,466,718
  6. Step 6: Final answer
    x = 14,849,728.25

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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.