Home / 38,389,398.75-52,977,722.78-21,869,278.47

Finding the Fourth Proportional to 38,389,398.75, 52,977,722.78 and 21,869,278.47

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Solution

The fourth proportional to 38,389,398.75, 52,977,722.78 and 21,869,278.47 is: 30,179,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389,398.75 : 52,977,722.78 = 21,869,278.47 : x
  2. Step 2: Convert to fraction form
    38,389,398.75/52,977,722.78 = 21,869,278.47/x
  3. Step 3: Cross multiply
    38,389,398.75x = 52,977,722.78 × 21,869,278.47
  4. Step 4: Simplify right side
    38,389,398.75x = 1,158,584,572,182,282.50
  5. Step 5: Solve for x
    x = 1,158,584,572,182,282.50/38,389,398.75
  6. Step 6: Final answer
    x = 30,179,805.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.