Home / 19,571,840.20-29,357,760.30-11,488,688.20

Finding the Fourth Proportional to 19,571,840.20, 29,357,760.30 and 11,488,688.20

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Solution

The fourth proportional to 19,571,840.20, 29,357,760.30 and 11,488,688.20 is: 17,233,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,840.20 : 29,357,760.30 = 11,488,688.20 : x
  2. Step 2: Convert to fraction form
    19,571,840.20/29,357,760.30 = 11,488,688.20/x
  3. Step 3: Cross multiply
    19,571,840.20x = 29,357,760.30 × 11,488,688.20
  4. Step 4: Simplify right side
    19,571,840.20x = 337,282,154,337,038.44
  5. Step 5: Solve for x
    x = 337,282,154,337,038.44/19,571,840.20
  6. Step 6: Final answer
    x = 17,233,032.30

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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.