Home / 8,748,032.30-13,122,048.45-8,429,167.70

Finding the Fourth Proportional to 8,748,032.30, 13,122,048.45 and 8,429,167.70

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Solution

The fourth proportional to 8,748,032.30, 13,122,048.45 and 8,429,167.70 is: 12,643,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,032.30 : 13,122,048.45 = 8,429,167.70 : x
  2. Step 2: Convert to fraction form
    8,748,032.30/13,122,048.45 = 8,429,167.70/x
  3. Step 3: Cross multiply
    8,748,032.30x = 13,122,048.45 × 8,429,167.70
  4. Step 4: Simplify right side
    8,748,032.30x = 110,607,946,952,575.05
  5. Step 5: Solve for x
    x = 110,607,946,952,575.05/8,748,032.30
  6. Step 6: Final answer
    x = 12,643,751.55

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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.