Home / 10,359,569.60-15,539,354.40-7,968,017.60

Finding the Fourth Proportional to 10,359,569.60, 15,539,354.40 and 7,968,017.60

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Solution

The fourth proportional to 10,359,569.60, 15,539,354.40 and 7,968,017.60 is: 11,952,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,569.60 : 15,539,354.40 = 7,968,017.60 : x
  2. Step 2: Convert to fraction form
    10,359,569.60/15,539,354.40 = 7,968,017.60/x
  3. Step 3: Cross multiply
    10,359,569.60x = 15,539,354.40 × 7,968,017.60
  4. Step 4: Simplify right side
    10,359,569.60x = 123,817,849,351,837.44
  5. Step 5: Solve for x
    x = 123,817,849,351,837.44/10,359,569.60
  6. Step 6: Final answer
    x = 11,952,026.40

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Similar ratio
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1.5x scale

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.