Home / 10,314,030.60-15,487,569.90-8,201,680.20

Finding the Fourth Proportional to 10,314,030.60, 15,487,569.90 and 8,201,680.20

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Solution

The fourth proportional to 10,314,030.60, 15,487,569.90 and 8,201,680.20 is: 12,315,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,030.60 : 15,487,569.90 = 8,201,680.20 : x
  2. Step 2: Convert to fraction form
    10,314,030.60/15,487,569.90 = 8,201,680.20/x
  3. Step 3: Cross multiply
    10,314,030.60x = 15,487,569.90 × 8,201,680.20
  4. Step 4: Simplify right side
    10,314,030.60x = 127,024,095,394,945.98
  5. Step 5: Solve for x
    x = 127,024,095,394,945.98/10,314,030.60
  6. Step 6: Final answer
    x = 12,315,660.13

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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.