Home / 7,531,027.20-11,289,542.40-5,256,547.20

Finding the Fourth Proportional to 7,531,027.20, 11,289,542.40 and 5,256,547.20

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Solution

The fourth proportional to 7,531,027.20, 11,289,542.40 and 5,256,547.20 is: 7,879,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531,027.20 : 11,289,542.40 = 5,256,547.20 : x
  2. Step 2: Convert to fraction form
    7,531,027.20/11,289,542.40 = 5,256,547.20/x
  3. Step 3: Cross multiply
    7,531,027.20x = 11,289,542.40 × 5,256,547.20
  4. Step 4: Simplify right side
    7,531,027.20x = 59,344,012,492,001.28
  5. Step 5: Solve for x
    x = 59,344,012,492,001.28/7,531,027.20
  6. Step 6: Final answer
    x = 7,879,936.02

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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.