Home / 13,123,809.60-19,685,714.40-8,315,908.80

Finding the Fourth Proportional to 13,123,809.60, 19,685,714.40 and 8,315,908.80

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Solution

The fourth proportional to 13,123,809.60, 19,685,714.40 and 8,315,908.80 is: 12,473,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,809.60 : 19,685,714.40 = 8,315,908.80 : x
  2. Step 2: Convert to fraction form
    13,123,809.60/19,685,714.40 = 8,315,908.80/x
  3. Step 3: Cross multiply
    13,123,809.60x = 19,685,714.40 × 8,315,908.80
  4. Step 4: Simplify right side
    13,123,809.60x = 163,704,605,613,246.72
  5. Step 5: Solve for x
    x = 163,704,605,613,246.72/13,123,809.60
  6. Step 6: Final answer
    x = 12,473,863.20

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1.5x scale

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.