Home / 8,747,999.20-13,121,998.80-2,358,897.40

Finding the Fourth Proportional to 8,747,999.20, 13,121,998.80 and 2,358,897.40

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Solution

The fourth proportional to 8,747,999.20, 13,121,998.80 and 2,358,897.40 is: 3,538,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,999.20 : 13,121,998.80 = 2,358,897.40 : x
  2. Step 2: Convert to fraction form
    8,747,999.20/13,121,998.80 = 2,358,897.40/x
  3. Step 3: Cross multiply
    8,747,999.20x = 13,121,998.80 × 2,358,897.40
  4. Step 4: Simplify right side
    8,747,999.20x = 30,953,448,852,123.12
  5. Step 5: Solve for x
    x = 30,953,448,852,123.12/8,747,999.20
  6. Step 6: Final answer
    x = 3,538,346.10

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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.