Home / 13,772,679.30-20,610,030.15-11,995,085.70

Finding the Fourth Proportional to 13,772,679.30, 20,610,030.15 and 11,995,085.70

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Solution

The fourth proportional to 13,772,679.30, 20,610,030.15 and 11,995,085.70 is: 17,949,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,679.30 : 20,610,030.15 = 11,995,085.70 : x
  2. Step 2: Convert to fraction form
    13,772,679.30/20,610,030.15 = 11,995,085.70/x
  3. Step 3: Cross multiply
    13,772,679.30x = 20,610,030.15 × 11,995,085.70
  4. Step 4: Simplify right side
    13,772,679.30x = 247,219,077,928,833.81
  5. Step 5: Solve for x
    x = 247,219,077,928,833.81/13,772,679.30
  6. Step 6: Final answer
    x = 17,949,962.57

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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.