Home / 13,909,569.12-20,869,290-6,232,610.40

Finding the Fourth Proportional to 13,909,569.12, 20,869,290 and 6,232,610.40

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Solution

The fourth proportional to 13,909,569.12, 20,869,290 and 6,232,610.40 is: 9,351,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,569.12 : 20,869,290 = 6,232,610.40 : x
  2. Step 2: Convert to fraction form
    13,909,569.12/20,869,290 = 6,232,610.40/x
  3. Step 3: Cross multiply
    13,909,569.12x = 20,869,290 × 6,232,610.40
  4. Step 4: Simplify right side
    13,909,569.12x = 130,070,153,894,616
  5. Step 5: Solve for x
    x = 130,070,153,894,616/13,909,569.12
  6. Step 6: Final answer
    x = 9,351,127.47

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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.