Home / 8,169,969.30-12,254,953.95-5,430,095.70

Finding the Fourth Proportional to 8,169,969.30, 12,254,953.95 and 5,430,095.70

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Solution

The fourth proportional to 8,169,969.30, 12,254,953.95 and 5,430,095.70 is: 8,145,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,969.30 : 12,254,953.95 = 5,430,095.70 : x
  2. Step 2: Convert to fraction form
    8,169,969.30/12,254,953.95 = 5,430,095.70/x
  3. Step 3: Cross multiply
    8,169,969.30x = 12,254,953.95 × 5,430,095.70
  4. Step 4: Simplify right side
    8,169,969.30x = 66,545,572,747,593.02
  5. Step 5: Solve for x
    x = 66,545,572,747,593.02/8,169,969.30
  6. Step 6: Final answer
    x = 8,145,143.55

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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.