Home / 12,462,330.30-18,693,495.45-4,889,543.10

Finding the Fourth Proportional to 12,462,330.30, 18,693,495.45 and 4,889,543.10

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Solution

The fourth proportional to 12,462,330.30, 18,693,495.45 and 4,889,543.10 is: 7,334,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,330.30 : 18,693,495.45 = 4,889,543.10 : x
  2. Step 2: Convert to fraction form
    12,462,330.30/18,693,495.45 = 4,889,543.10/x
  3. Step 3: Cross multiply
    12,462,330.30x = 18,693,495.45 × 4,889,543.10
  4. Step 4: Simplify right side
    12,462,330.30x = 91,402,651,692,428.89
  5. Step 5: Solve for x
    x = 91,402,651,692,428.89/12,462,330.30
  6. Step 6: Final answer
    x = 7,334,314.65

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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.