Home / 13,123,809.60-19,685,714.40-12,084,547.20

Finding the Fourth Proportional to 13,123,809.60, 19,685,714.40 and 12,084,547.20

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Solution

The fourth proportional to 13,123,809.60, 19,685,714.40 and 12,084,547.20 is: 18,126,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,809.60 : 19,685,714.40 = 12,084,547.20 : x
  2. Step 2: Convert to fraction form
    13,123,809.60/19,685,714.40 = 12,084,547.20/x
  3. Step 3: Cross multiply
    13,123,809.60x = 19,685,714.40 × 12,084,547.20
  4. Step 4: Simplify right side
    13,123,809.60x = 237,892,944,832,519.66
  5. Step 5: Solve for x
    x = 237,892,944,832,519.66/13,123,809.60
  6. Step 6: Final answer
    x = 18,126,820.80

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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.