Home / 12,528,053.95-18,792,080.93-10,288,565.95

Finding the Fourth Proportional to 12,528,053.95, 18,792,080.93 and 10,288,565.95

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Solution

The fourth proportional to 12,528,053.95, 18,792,080.93 and 10,288,565.95 is: 15,432,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,053.95 : 18,792,080.93 = 10,288,565.95 : x
  2. Step 2: Convert to fraction form
    12,528,053.95/18,792,080.93 = 10,288,565.95/x
  3. Step 3: Cross multiply
    12,528,053.95x = 18,792,080.93 × 10,288,565.95
  4. Step 4: Simplify right side
    12,528,053.95x = 193,343,563,986,042.31
  5. Step 5: Solve for x
    x = 193,343,563,986,042.31/12,528,053.95
  6. Step 6: Final answer
    x = 15,432,848.93

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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.