Home / 42,282,145.80-63,423,218.70-13,529,219.40

Finding the Fourth Proportional to 42,282,145.80, 63,423,218.70 and 13,529,219.40

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Solution

The fourth proportional to 42,282,145.80, 63,423,218.70 and 13,529,219.40 is: 20,293,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,282,145.80 : 63,423,218.70 = 13,529,219.40 : x
  2. Step 2: Convert to fraction form
    42,282,145.80/63,423,218.70 = 13,529,219.40/x
  3. Step 3: Cross multiply
    42,282,145.80x = 63,423,218.70 × 13,529,219.40
  4. Step 4: Simplify right side
    42,282,145.80x = 858,066,640,846,482.88
  5. Step 5: Solve for x
    x = 858,066,640,846,482.88/42,282,145.80
  6. Step 6: Final answer
    x = 20,293,829.10

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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.