Home / 14,003,139.60-20,976,715.80-8,012,509.20

Finding the Fourth Proportional to 14,003,139.60, 20,976,715.80 and 8,012,509.20

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Solution

The fourth proportional to 14,003,139.60, 20,976,715.80 and 8,012,509.20 is: 12,002,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,139.60 : 20,976,715.80 = 8,012,509.20 : x
  2. Step 2: Convert to fraction form
    14,003,139.60/20,976,715.80 = 8,012,509.20/x
  3. Step 3: Cross multiply
    14,003,139.60x = 20,976,715.80 × 8,012,509.20
  4. Step 4: Simplify right side
    14,003,139.60x = 168,076,128,333,285.38
  5. Step 5: Solve for x
    x = 168,076,128,333,285.38/14,003,139.60
  6. Step 6: Final answer
    x = 12,002,746.04

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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.