Home / 10,371,053.40-15,549,207.30-3,978,835.80

Finding the Fourth Proportional to 10,371,053.40, 15,549,207.30 and 3,978,835.80

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Solution

The fourth proportional to 10,371,053.40, 15,549,207.30 and 3,978,835.80 is: 5,965,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,053.40 : 15,549,207.30 = 3,978,835.80 : x
  2. Step 2: Convert to fraction form
    10,371,053.40/15,549,207.30 = 3,978,835.80/x
  3. Step 3: Cross multiply
    10,371,053.40x = 15,549,207.30 × 3,978,835.80
  4. Step 4: Simplify right side
    10,371,053.40x = 61,867,742,666,861.34
  5. Step 5: Solve for x
    x = 61,867,742,666,861.34/10,371,053.40
  6. Step 6: Final answer
    x = 5,965,425.14

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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.