Home / 45,532,635.81-68,298,965.35-12,748,034.69

Finding the Fourth Proportional to 45,532,635.81, 68,298,965.35 and 12,748,034.69

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Solution

The fourth proportional to 45,532,635.81, 68,298,965.35 and 12,748,034.69 is: 19,122,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,532,635.81 : 68,298,965.35 = 12,748,034.69 : x
  2. Step 2: Convert to fraction form
    45,532,635.81/68,298,965.35 = 12,748,034.69/x
  3. Step 3: Cross multiply
    45,532,635.81x = 68,298,965.35 × 12,748,034.69
  4. Step 4: Simplify right side
    45,532,635.81x = 870,677,579,911,566.50
  5. Step 5: Solve for x
    x = 870,677,579,911,566.50/45,532,635.81
  6. Step 6: Final answer
    x = 19,122,055.30

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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.