Home / 13,565,616.99-18,720,547.15-7,454,439.15

Finding the Fourth Proportional to 13,565,616.99, 18,720,547.15 and 7,454,439.15

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Solution

The fourth proportional to 13,565,616.99, 18,720,547.15 and 7,454,439.15 is: 10,287,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,616.99 : 18,720,547.15 = 7,454,439.15 : x
  2. Step 2: Convert to fraction form
    13,565,616.99/18,720,547.15 = 7,454,439.15/x
  3. Step 3: Cross multiply
    13,565,616.99x = 18,720,547.15 × 7,454,439.15
  4. Step 4: Simplify right side
    13,565,616.99x = 139,551,179,584,380.92
  5. Step 5: Solve for x
    x = 139,551,179,584,380.92/13,565,616.99
  6. Step 6: Final answer
    x = 10,287,123.67

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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.