Home / 27,658,281.46-38,167,427.87-15,268,108.76

Finding the Fourth Proportional to 27,658,281.46, 38,167,427.87 and 15,268,108.76

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Solution

The fourth proportional to 27,658,281.46, 38,167,427.87 and 15,268,108.76 is: 21,069,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,281.46 : 38,167,427.87 = 15,268,108.76 : x
  2. Step 2: Convert to fraction form
    27,658,281.46/38,167,427.87 = 15,268,108.76/x
  3. Step 3: Cross multiply
    27,658,281.46x = 38,167,427.87 × 15,268,108.76
  4. Step 4: Simplify right side
    27,658,281.46x = 582,744,439,808,615.12
  5. Step 5: Solve for x
    x = 582,744,439,808,615.12/27,658,281.46
  6. Step 6: Final answer
    x = 21,069,437.77

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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.