Home / 13,862,331.85-19,124,160.30-9,280,129.45

Finding the Fourth Proportional to 13,862,331.85, 19,124,160.30 and 9,280,129.45

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Solution

The fourth proportional to 13,862,331.85, 19,124,160.30 and 9,280,129.45 is: 12,802,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,331.85 : 19,124,160.30 = 9,280,129.45 : x
  2. Step 2: Convert to fraction form
    13,862,331.85/19,124,160.30 = 9,280,129.45/x
  3. Step 3: Cross multiply
    13,862,331.85x = 19,124,160.30 × 9,280,129.45
  4. Step 4: Simplify right side
    13,862,331.85x = 177,474,683,206,550.81
  5. Step 5: Solve for x
    x = 177,474,683,206,550.81/13,862,331.85
  6. Step 6: Final answer
    x = 12,802,657.24

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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.