Home / 38,653,547.20-57,987,319.20-19,435,940.80

Finding the Fourth Proportional to 38,653,547.20, 57,987,319.20 and 19,435,940.80

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Solution

The fourth proportional to 38,653,547.20, 57,987,319.20 and 19,435,940.80 is: 29,157,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653,547.20 : 57,987,319.20 = 19,435,940.80 : x
  2. Step 2: Convert to fraction form
    38,653,547.20/57,987,319.20 = 19,435,940.80/x
  3. Step 3: Cross multiply
    38,653,547.20x = 57,987,319.20 × 19,435,940.80
  4. Step 4: Simplify right side
    38,653,547.20x = 1,127,038,103,121,903.50
  5. Step 5: Solve for x
    x = 1,127,038,103,121,903.50/38,653,547.20
  6. Step 6: Final answer
    x = 29,157,430.17

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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.