Home / 15,475,723.96-21,354,803.40-8,948,365.70

Finding the Fourth Proportional to 15,475,723.96, 21,354,803.40 and 8,948,365.70

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Solution

The fourth proportional to 15,475,723.96, 21,354,803.40 and 8,948,365.70 is: 12,347,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,723.96 : 21,354,803.40 = 8,948,365.70 : x
  2. Step 2: Convert to fraction form
    15,475,723.96/21,354,803.40 = 8,948,365.70/x
  3. Step 3: Cross multiply
    15,475,723.96x = 21,354,803.40 × 8,948,365.70
  4. Step 4: Simplify right side
    15,475,723.96x = 191,090,590,274,803.34
  5. Step 5: Solve for x
    x = 191,090,590,274,803.34/15,475,723.96
  6. Step 6: Final answer
    x = 12,347,764.20

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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.