Home / 25,779,041.20-38,635,384.20-19,765,601.20

Finding the Fourth Proportional to 25,779,041.20, 38,635,384.20 and 19,765,601.20

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Solution

The fourth proportional to 25,779,041.20, 38,635,384.20 and 19,765,601.20 is: 29,622,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779,041.20 : 38,635,384.20 = 19,765,601.20 : x
  2. Step 2: Convert to fraction form
    25,779,041.20/38,635,384.20 = 19,765,601.20/x
  3. Step 3: Cross multiply
    25,779,041.20x = 38,635,384.20 × 19,765,601.20
  4. Step 4: Simplify right side
    25,779,041.20x = 763,651,596,305,981.12
  5. Step 5: Solve for x
    x = 763,651,596,305,981.12/25,779,041.20
  6. Step 6: Final answer
    x = 29,622,963.49

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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.