Home / 12,745,642.79-19,118,446.83-5,918,482.76

Finding the Fourth Proportional to 12,745,642.79, 19,118,446.83 and 5,918,482.76

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Solution

The fourth proportional to 12,745,642.79, 19,118,446.83 and 5,918,482.76 is: 8,877,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,642.79 : 19,118,446.83 = 5,918,482.76 : x
  2. Step 2: Convert to fraction form
    12,745,642.79/19,118,446.83 = 5,918,482.76/x
  3. Step 3: Cross multiply
    12,745,642.79x = 19,118,446.83 × 5,918,482.76
  4. Step 4: Simplify right side
    12,745,642.79x = 113,152,197,961,331.64
  5. Step 5: Solve for x
    x = 113,152,197,961,331.64/12,745,642.79
  6. Step 6: Final answer
    x = 8,877,716.08

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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.