Home / 10,307,051.60-15,460,577.40-9,315,028.40

Finding the Fourth Proportional to 10,307,051.60, 15,460,577.40 and 9,315,028.40

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Solution

The fourth proportional to 10,307,051.60, 15,460,577.40 and 9,315,028.40 is: 13,972,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,051.60 : 15,460,577.40 = 9,315,028.40 : x
  2. Step 2: Convert to fraction form
    10,307,051.60/15,460,577.40 = 9,315,028.40/x
  3. Step 3: Cross multiply
    10,307,051.60x = 15,460,577.40 × 9,315,028.40
  4. Step 4: Simplify right side
    10,307,051.60x = 144,015,717,561,398.16
  5. Step 5: Solve for x
    x = 144,015,717,561,398.16/10,307,051.60
  6. Step 6: Final answer
    x = 13,972,542.60

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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.