Home / 28,585,384.04-39,448,079.55-15,532,642.64

Finding the Fourth Proportional to 28,585,384.04, 39,448,079.55 and 15,532,642.64

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Solution

The fourth proportional to 28,585,384.04, 39,448,079.55 and 15,532,642.64 is: 21,435,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,384.04 : 39,448,079.55 = 15,532,642.64 : x
  2. Step 2: Convert to fraction form
    28,585,384.04/39,448,079.55 = 15,532,642.64/x
  3. Step 3: Cross multiply
    28,585,384.04x = 39,448,079.55 × 15,532,642.64
  4. Step 4: Simplify right side
    28,585,384.04x = 612,732,922,583,062.12
  5. Step 5: Solve for x
    x = 612,732,922,583,062.12/28,585,384.04
  6. Step 6: Final answer
    x = 21,435,182.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.