Home / 20,178,358.80-30,267,538.20-14,013,643.20

Finding the Fourth Proportional to 20,178,358.80, 30,267,538.20 and 14,013,643.20

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Solution

The fourth proportional to 20,178,358.80, 30,267,538.20 and 14,013,643.20 is: 21,020,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,358.80 : 30,267,538.20 = 14,013,643.20 : x
  2. Step 2: Convert to fraction form
    20,178,358.80/30,267,538.20 = 14,013,643.20/x
  3. Step 3: Cross multiply
    20,178,358.80x = 30,267,538.20 × 14,013,643.20
  4. Step 4: Simplify right side
    20,178,358.80x = 424,158,480,877,170.19
  5. Step 5: Solve for x
    x = 424,158,480,877,170.19/20,178,358.80
  6. Step 6: Final answer
    x = 21,020,464.80

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1.5x scale

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.