Home / 10,302,143.40-15,465,656.70-10,227,493.80

Finding the Fourth Proportional to 10,302,143.40, 15,465,656.70 and 10,227,493.80

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Solution

The fourth proportional to 10,302,143.40, 15,465,656.70 and 10,227,493.80 is: 15,353,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,143.40 : 15,465,656.70 = 10,227,493.80 : x
  2. Step 2: Convert to fraction form
    10,302,143.40/15,465,656.70 = 10,227,493.80/x
  3. Step 3: Cross multiply
    10,302,143.40x = 15,465,656.70 × 10,227,493.80
  4. Step 4: Simplify right side
    10,302,143.40x = 158,174,908,012,178.47
  5. Step 5: Solve for x
    x = 158,174,908,012,178.47/10,302,143.40
  6. Step 6: Final answer
    x = 15,353,592.15

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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.