Home / 19,637,186.40-29,442,085.34-8,701,428.24

Finding the Fourth Proportional to 19,637,186.40, 29,442,085.34 and 8,701,428.24

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Solution

The fourth proportional to 19,637,186.40, 29,442,085.34 and 8,701,428.24 is: 13,046,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637,186.40 : 29,442,085.34 = 8,701,428.24 : x
  2. Step 2: Convert to fraction form
    19,637,186.40/29,442,085.34 = 8,701,428.24/x
  3. Step 3: Cross multiply
    19,637,186.40x = 29,442,085.34 × 8,701,428.24
  4. Step 4: Simplify right side
    19,637,186.40x = 256,188,192,778,458.88
  5. Step 5: Solve for x
    x = 256,188,192,778,458.88/19,637,186.40
  6. Step 6: Final answer
    x = 13,046,074.30

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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.