Home / 12,671,886.24-17,489,613.96-7,518,089.52

Finding the Fourth Proportional to 12,671,886.24, 17,489,613.96 and 7,518,089.52

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Solution

The fourth proportional to 12,671,886.24, 17,489,613.96 and 7,518,089.52 is: 10,376,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,886.24 : 17,489,613.96 = 7,518,089.52 : x
  2. Step 2: Convert to fraction form
    12,671,886.24/17,489,613.96 = 7,518,089.52/x
  3. Step 3: Cross multiply
    12,671,886.24x = 17,489,613.96 × 7,518,089.52
  4. Step 4: Simplify right side
    12,671,886.24x = 131,488,483,421,521.70
  5. Step 5: Solve for x
    x = 131,488,483,421,521.70/12,671,886.24
  6. Step 6: Final answer
    x = 10,376,393.93

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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.