Home / 12,984,319.85-17,917,823.09-7,103,925.18

Finding the Fourth Proportional to 12,984,319.85, 17,917,823.09 and 7,103,925.18

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Solution

The fourth proportional to 12,984,319.85, 17,917,823.09 and 7,103,925.18 is: 9,803,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,319.85 : 17,917,823.09 = 7,103,925.18 : x
  2. Step 2: Convert to fraction form
    12,984,319.85/17,917,823.09 = 7,103,925.18/x
  3. Step 3: Cross multiply
    12,984,319.85x = 17,917,823.09 × 7,103,925.18
  4. Step 4: Simplify right side
    12,984,319.85x = 127,286,874,637,596.22
  5. Step 5: Solve for x
    x = 127,286,874,637,596.22/12,984,319.85
  6. Step 6: Final answer
    x = 9,803,122.24

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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.