Home / 42,482,178.72-63,710,074.80-15,184,686.24

Finding the Fourth Proportional to 42,482,178.72, 63,710,074.80 and 15,184,686.24

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Solution

The fourth proportional to 42,482,178.72, 63,710,074.80 and 15,184,686.24 is: 22,772,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,482,178.72 : 63,710,074.80 = 15,184,686.24 : x
  2. Step 2: Convert to fraction form
    42,482,178.72/63,710,074.80 = 15,184,686.24/x
  3. Step 3: Cross multiply
    42,482,178.72x = 63,710,074.80 × 15,184,686.24
  4. Step 4: Simplify right side
    42,482,178.72x = 967,417,496,164,930.75
  5. Step 5: Solve for x
    x = 967,417,496,164,930.75/42,482,178.72
  6. Step 6: Final answer
    x = 22,772,313.60

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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.