Home / 13,046,892.16-18,005,309.04-7,245,699.52

Finding the Fourth Proportional to 13,046,892.16, 18,005,309.04 and 7,245,699.52

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Solution

The fourth proportional to 13,046,892.16, 18,005,309.04 and 7,245,699.52 is: 9,999,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,892.16 : 18,005,309.04 = 7,245,699.52 : x
  2. Step 2: Convert to fraction form
    13,046,892.16/18,005,309.04 = 7,245,699.52/x
  3. Step 3: Cross multiply
    13,046,892.16x = 18,005,309.04 × 7,245,699.52
  4. Step 4: Simplify right side
    13,046,892.16x = 130,461,059,068,579.64
  5. Step 5: Solve for x
    x = 130,461,059,068,579.64/13,046,892.16
  6. Step 6: Final answer
    x = 9,999,397.36

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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.