Home / 15,236,257.77-21,026,024.42-8,710,031.07

Finding the Fourth Proportional to 15,236,257.77, 21,026,024.42 and 8,710,031.07

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Solution

The fourth proportional to 15,236,257.77, 21,026,024.42 and 8,710,031.07 is: 12,019,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236,257.77 : 21,026,024.42 = 8,710,031.07 : x
  2. Step 2: Convert to fraction form
    15,236,257.77/21,026,024.42 = 8,710,031.07/x
  3. Step 3: Cross multiply
    15,236,257.77x = 21,026,024.42 × 8,710,031.07
  4. Step 4: Simplify right side
    15,236,257.77x = 183,137,325,933,228.56
  5. Step 5: Solve for x
    x = 183,137,325,933,228.56/15,236,257.77
  6. Step 6: Final answer
    x = 12,019,836.41

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1.5x scale

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.