Home / 15,408,053.40-23,112,080.10-7,445,429.40

Finding the Fourth Proportional to 15,408,053.40, 23,112,080.10 and 7,445,429.40

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Solution

The fourth proportional to 15,408,053.40, 23,112,080.10 and 7,445,429.40 is: 11,168,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,053.40 : 23,112,080.10 = 7,445,429.40 : x
  2. Step 2: Convert to fraction form
    15,408,053.40/23,112,080.10 = 7,445,429.40/x
  3. Step 3: Cross multiply
    15,408,053.40x = 23,112,080.10 × 7,445,429.40
  4. Step 4: Simplify right side
    15,408,053.40x = 172,079,360,671,694.97
  5. Step 5: Solve for x
    x = 172,079,360,671,694.97/15,408,053.40
  6. Step 6: Final answer
    x = 11,168,144.10

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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.