Home / 27,702,203.95-38,228,374.12-15,142,700.35

Finding the Fourth Proportional to 27,702,203.95, 38,228,374.12 and 15,142,700.35

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Solution

The fourth proportional to 27,702,203.95, 38,228,374.12 and 15,142,700.35 is: 20,896,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,203.95 : 38,228,374.12 = 15,142,700.35 : x
  2. Step 2: Convert to fraction form
    27,702,203.95/38,228,374.12 = 15,142,700.35/x
  3. Step 3: Cross multiply
    27,702,203.95x = 38,228,374.12 × 15,142,700.35
  4. Step 4: Simplify right side
    27,702,203.95x = 578,880,813,899,999.62
  5. Step 5: Solve for x
    x = 578,880,813,899,999.62/27,702,203.95
  6. Step 6: Final answer
    x = 20,896,561.70

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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.