Home / 12,447,111.71-18,660,017.93-4,776,261.15

Finding the Fourth Proportional to 12,447,111.71, 18,660,017.93 and 4,776,261.15

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Solution

The fourth proportional to 12,447,111.71, 18,660,017.93 and 4,776,261.15 is: 7,160,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,111.71 : 18,660,017.93 = 4,776,261.15 : x
  2. Step 2: Convert to fraction form
    12,447,111.71/18,660,017.93 = 4,776,261.15/x
  3. Step 3: Cross multiply
    12,447,111.71x = 18,660,017.93 × 4,776,261.15
  4. Step 4: Simplify right side
    12,447,111.71x = 89,125,118,604,062.31
  5. Step 5: Solve for x
    x = 89,125,118,604,062.31/12,447,111.71
  6. Step 6: Final answer
    x = 7,160,305.20

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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.