Home / 19,575,393.20-29,363,089.80-12,772,948.40

Finding the Fourth Proportional to 19,575,393.20, 29,363,089.80 and 12,772,948.40

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Solution

The fourth proportional to 19,575,393.20, 29,363,089.80 and 12,772,948.40 is: 19,159,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575,393.20 : 29,363,089.80 = 12,772,948.40 : x
  2. Step 2: Convert to fraction form
    19,575,393.20/29,363,089.80 = 12,772,948.40/x
  3. Step 3: Cross multiply
    19,575,393.20x = 29,363,089.80 × 12,772,948.40
  4. Step 4: Simplify right side
    19,575,393.20x = 375,053,230,879,966.31
  5. Step 5: Solve for x
    x = 375,053,230,879,966.31/19,575,393.20
  6. Step 6: Final answer
    x = 19,159,422.60

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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.