Home / 31,298,053.47-46,947,407.46-8,578,953.15

Finding the Fourth Proportional to 31,298,053.47, 46,947,407.46 and 8,578,953.15

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Solution

The fourth proportional to 31,298,053.47, 46,947,407.46 and 8,578,953.15 is: 12,868,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298,053.47 : 46,947,407.46 = 8,578,953.15 : x
  2. Step 2: Convert to fraction form
    31,298,053.47/46,947,407.46 = 8,578,953.15/x
  3. Step 3: Cross multiply
    31,298,053.47x = 46,947,407.46 × 8,578,953.15
  4. Step 4: Simplify right side
    31,298,053.47x = 402,759,609,113,300.50
  5. Step 5: Solve for x
    x = 402,759,609,113,300.50/31,298,053.47
  6. Step 6: Final answer
    x = 12,868,519.43

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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.