Home / 13,124,102.80-19,686,154.20-8,335,228.90

Finding the Fourth Proportional to 13,124,102.80, 19,686,154.20 and 8,335,228.90

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Solution

The fourth proportional to 13,124,102.80, 19,686,154.20 and 8,335,228.90 is: 12,502,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,102.80 : 19,686,154.20 = 8,335,228.90 : x
  2. Step 2: Convert to fraction form
    13,124,102.80/19,686,154.20 = 8,335,228.90/x
  3. Step 3: Cross multiply
    13,124,102.80x = 19,686,154.20 × 8,335,228.90
  4. Step 4: Simplify right side
    13,124,102.80x = 164,088,601,417,696.38
  5. Step 5: Solve for x
    x = 164,088,601,417,696.38/13,124,102.80
  6. Step 6: Final answer
    x = 12,502,843.35

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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.