Home / 31,935,069.32-47,901,916.56-8,905,390.88

Finding the Fourth Proportional to 31,935,069.32, 47,901,916.56 and 8,905,390.88

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Solution

The fourth proportional to 31,935,069.32, 47,901,916.56 and 8,905,390.88 is: 13,357,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,069.32 : 47,901,916.56 = 8,905,390.88 : x
  2. Step 2: Convert to fraction form
    31,935,069.32/47,901,916.56 = 8,905,390.88/x
  3. Step 3: Cross multiply
    31,935,069.32x = 47,901,916.56 × 8,905,390.88
  4. Step 4: Simplify right side
    31,935,069.32x = 426,585,290,867,945.06
  5. Step 5: Solve for x
    x = 426,585,290,867,945.06/31,935,069.32
  6. Step 6: Final answer
    x = 13,357,894.63

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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.