Home / 15,714,458.10-21,685,734.45-8,838,944.82

Finding the Fourth Proportional to 15,714,458.10, 21,685,734.45 and 8,838,944.82

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Solution

The fourth proportional to 15,714,458.10, 21,685,734.45 and 8,838,944.82 is: 12,197,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714,458.10 : 21,685,734.45 = 8,838,944.82 : x
  2. Step 2: Convert to fraction form
    15,714,458.10/21,685,734.45 = 8,838,944.82/x
  3. Step 3: Cross multiply
    15,714,458.10x = 21,685,734.45 × 8,838,944.82
  4. Step 4: Simplify right side
    15,714,458.10x = 191,679,010,184,723.06
  5. Step 5: Solve for x
    x = 191,679,010,184,723.06/15,714,458.10
  6. Step 6: Final answer
    x = 12,197,621.39

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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.