Home / 39,033,699.40-53,866,821.54-21,630,335.32

Finding the Fourth Proportional to 39,033,699.40, 53,866,821.54 and 21,630,335.32

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Solution

The fourth proportional to 39,033,699.40, 53,866,821.54 and 21,630,335.32 is: 29,850,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,699.40 : 53,866,821.54 = 21,630,335.32 : x
  2. Step 2: Convert to fraction form
    39,033,699.40/53,866,821.54 = 21,630,335.32/x
  3. Step 3: Cross multiply
    39,033,699.40x = 53,866,821.54 × 21,630,335.32
  4. Step 4: Simplify right side
    39,033,699.40x = 1,165,157,412,532,798.75
  5. Step 5: Solve for x
    x = 1,165,157,412,532,798.75/39,033,699.40
  6. Step 6: Final answer
    x = 29,850,038.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.