Home / 8,748,045.70-13,122,068.55-7,738,307.80

Finding the Fourth Proportional to 8,748,045.70, 13,122,068.55 and 7,738,307.80

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Solution

The fourth proportional to 8,748,045.70, 13,122,068.55 and 7,738,307.80 is: 11,607,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,045.70 : 13,122,068.55 = 7,738,307.80 : x
  2. Step 2: Convert to fraction form
    8,748,045.70/13,122,068.55 = 7,738,307.80/x
  3. Step 3: Cross multiply
    8,748,045.70x = 13,122,068.55 × 7,738,307.80
  4. Step 4: Simplify right side
    8,748,045.70x = 101,542,605,412,599.69
  5. Step 5: Solve for x
    x = 101,542,605,412,599.69/8,748,045.70
  6. Step 6: Final answer
    x = 11,607,461.70

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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.