Home / 15,350,712.17-21,185,840.59-8,736,908.77

Finding the Fourth Proportional to 15,350,712.17, 21,185,840.59 and 8,736,908.77

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Solution

The fourth proportional to 15,350,712.17, 21,185,840.59 and 8,736,908.77 is: 12,057,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350,712.17 : 21,185,840.59 = 8,736,908.77 : x
  2. Step 2: Convert to fraction form
    15,350,712.17/21,185,840.59 = 8,736,908.77/x
  3. Step 3: Cross multiply
    15,350,712.17x = 21,185,840.59 × 8,736,908.77
  4. Step 4: Simplify right side
    15,350,712.17x = 185,098,756,455,233
  5. Step 5: Solve for x
    x = 185,098,756,455,233/15,350,712.17
  6. Step 6: Final answer
    x = 12,057,991.48

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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.