Home / 18,232,642.80-27,353,111.40-10,655,708.40

Finding the Fourth Proportional to 18,232,642.80, 27,353,111.40 and 10,655,708.40

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Solution

The fourth proportional to 18,232,642.80, 27,353,111.40 and 10,655,708.40 is: 15,985,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232,642.80 : 27,353,111.40 = 10,655,708.40 : x
  2. Step 2: Convert to fraction form
    18,232,642.80/27,353,111.40 = 10,655,708.40/x
  3. Step 3: Cross multiply
    18,232,642.80x = 27,353,111.40 × 10,655,708.40
  4. Step 4: Simplify right side
    18,232,642.80x = 291,466,778,911,115.75
  5. Step 5: Solve for x
    x = 291,466,778,911,115.75/18,232,642.80
  6. Step 6: Final answer
    x = 15,985,986.35

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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.