Home / 13,909,639.95-20,849,734.13-4,678,824.87

Finding the Fourth Proportional to 13,909,639.95, 20,849,734.13 and 4,678,824.87

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Solution

The fourth proportional to 13,909,639.95, 20,849,734.13 and 4,678,824.87 is: 7,013,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,639.95 : 20,849,734.13 = 4,678,824.87 : x
  2. Step 2: Convert to fraction form
    13,909,639.95/20,849,734.13 = 4,678,824.87/x
  3. Step 3: Cross multiply
    13,909,639.95x = 20,849,734.13 × 4,678,824.87
  4. Step 4: Simplify right side
    13,909,639.95x = 97,552,254,556,937.69
  5. Step 5: Solve for x
    x = 97,552,254,556,937.69/13,909,639.95
  6. Step 6: Final answer
    x = 7,013,283.95

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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.