Home / 12,865,455.18-17,754,328.22-7,064,236.94

Finding the Fourth Proportional to 12,865,455.18, 17,754,328.22 and 7,064,236.94

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Solution

The fourth proportional to 12,865,455.18, 17,754,328.22 and 7,064,236.94 is: 9,748,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,455.18 : 17,754,328.22 = 7,064,236.94 : x
  2. Step 2: Convert to fraction form
    12,865,455.18/17,754,328.22 = 7,064,236.94/x
  3. Step 3: Cross multiply
    12,865,455.18x = 17,754,328.22 × 7,064,236.94
  4. Step 4: Simplify right side
    12,865,455.18x = 125,420,781,132,515.61
  5. Step 5: Solve for x
    x = 125,420,781,132,515.61/12,865,455.18
  6. Step 6: Final answer
    x = 9,748,647.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.