Home / 7,884,005.60-11,826,008.40-5,345,919.20

Finding the Fourth Proportional to 7,884,005.60, 11,826,008.40 and 5,345,919.20

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Solution

The fourth proportional to 7,884,005.60, 11,826,008.40 and 5,345,919.20 is: 8,018,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,005.60 : 11,826,008.40 = 5,345,919.20 : x
  2. Step 2: Convert to fraction form
    7,884,005.60/11,826,008.40 = 5,345,919.20/x
  3. Step 3: Cross multiply
    7,884,005.60x = 11,826,008.40 × 5,345,919.20
  4. Step 4: Simplify right side
    7,884,005.60x = 63,220,885,364,921.28
  5. Step 5: Solve for x
    x = 63,220,885,364,921.28/7,884,005.60
  6. Step 6: Final answer
    x = 8,018,878.80

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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.