Home / 28,516,005.60-42,774,008.40-16,422,770.40

Finding the Fourth Proportional to 28,516,005.60, 42,774,008.40 and 16,422,770.40

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Solution

The fourth proportional to 28,516,005.60, 42,774,008.40 and 16,422,770.40 is: 24,634,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,005.60 : 42,774,008.40 = 16,422,770.40 : x
  2. Step 2: Convert to fraction form
    28,516,005.60/42,774,008.40 = 16,422,770.40/x
  3. Step 3: Cross multiply
    28,516,005.60x = 42,774,008.40 × 16,422,770.40
  4. Step 4: Simplify right side
    28,516,005.60x = 702,467,719,040,871.38
  5. Step 5: Solve for x
    x = 702,467,719,040,871.38/28,516,005.60
  6. Step 6: Final answer
    x = 24,634,155.60

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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.