Home / 38,666,655.59-53,346,926.49-21,919,599.55

Finding the Fourth Proportional to 38,666,655.59, 53,346,926.49 and 21,919,599.55

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Solution

The fourth proportional to 38,666,655.59, 53,346,926.49 and 21,919,599.55 is: 30,241,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666,655.59 : 53,346,926.49 = 21,919,599.55 : x
  2. Step 2: Convert to fraction form
    38,666,655.59/53,346,926.49 = 21,919,599.55/x
  3. Step 3: Cross multiply
    38,666,655.59x = 53,346,926.49 × 21,919,599.55
  4. Step 4: Simplify right side
    38,666,655.59x = 1,169,343,266,047,976.75
  5. Step 5: Solve for x
    x = 1,169,343,266,047,976.75/38,666,655.59
  6. Step 6: Final answer
    x = 30,241,644.85

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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.