Home / 12,514,143.76-18,773,980.44-4,535,760.40

Finding the Fourth Proportional to 12,514,143.76, 18,773,980.44 and 4,535,760.40

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Solution

The fourth proportional to 12,514,143.76, 18,773,980.44 and 4,535,760.40 is: 6,804,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514,143.76 : 18,773,980.44 = 4,535,760.40 : x
  2. Step 2: Convert to fraction form
    12,514,143.76/18,773,980.44 = 4,535,760.40/x
  3. Step 3: Cross multiply
    12,514,143.76x = 18,773,980.44 × 4,535,760.40
  4. Step 4: Simplify right side
    12,514,143.76x = 85,154,277,030,126.59
  5. Step 5: Solve for x
    x = 85,154,277,030,126.59/12,514,143.76
  6. Step 6: Final answer
    x = 6,804,642.70

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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.