Home / 20,937,510.60-31,407,250.05-6,561,047.40

Finding the Fourth Proportional to 20,937,510.60, 31,407,250.05 and 6,561,047.40

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Solution

The fourth proportional to 20,937,510.60, 31,407,250.05 and 6,561,047.40 is: 9,841,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,510.60 : 31,407,250.05 = 6,561,047.40 : x
  2. Step 2: Convert to fraction form
    20,937,510.60/31,407,250.05 = 6,561,047.40/x
  3. Step 3: Cross multiply
    20,937,510.60x = 31,407,250.05 × 6,561,047.40
  4. Step 4: Simplify right side
    20,937,510.60x = 206,064,456,281,702.38
  5. Step 5: Solve for x
    x = 206,064,456,281,702.38/20,937,510.60
  6. Step 6: Final answer
    x = 9,841,879.50

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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.