Home / 12,044,345.12-18,066,543.60-8,466,123.68

Finding the Fourth Proportional to 12,044,345.12, 18,066,543.60 and 8,466,123.68

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Solution

The fourth proportional to 12,044,345.12, 18,066,543.60 and 8,466,123.68 is: 12,699,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044,345.12 : 18,066,543.60 = 8,466,123.68 : x
  2. Step 2: Convert to fraction form
    12,044,345.12/18,066,543.60 = 8,466,123.68/x
  3. Step 3: Cross multiply
    12,044,345.12x = 18,066,543.60 × 8,466,123.68
  4. Step 4: Simplify right side
    12,044,345.12x = 152,953,592,587,712.47
  5. Step 5: Solve for x
    x = 152,953,592,587,712.47/12,044,345.12
  6. Step 6: Final answer
    x = 12,699,203.74

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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.