Home / 38,365,432.08-52,943,670-20,961,402.72

Finding the Fourth Proportional to 38,365,432.08, 52,943,670 and 20,961,402.72

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Solution

The fourth proportional to 38,365,432.08, 52,943,670 and 20,961,402.72 is: 28,926,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,432.08 : 52,943,670 = 20,961,402.72 : x
  2. Step 2: Convert to fraction form
    38,365,432.08/52,943,670 = 20,961,402.72/x
  3. Step 3: Cross multiply
    38,365,432.08x = 52,943,670 × 20,961,402.72
  4. Step 4: Simplify right side
    38,365,432.08x = 1,109,773,588,344,782.38
  5. Step 5: Solve for x
    x = 1,109,773,588,344,782.38/38,365,432.08
  6. Step 6: Final answer
    x = 28,926,393.58

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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.