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Finding the Fourth Proportional to 8,798,810.70, 13,187,718.45 and 7,896,017.10

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Solution

The fourth proportional to 8,798,810.70, 13,187,718.45 and 7,896,017.10 is: 11,834,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,810.70 : 13,187,718.45 = 7,896,017.10 : x
  2. Step 2: Convert to fraction form
    8,798,810.70/13,187,718.45 = 7,896,017.10/x
  3. Step 3: Cross multiply
    8,798,810.70x = 13,187,718.45 × 7,896,017.10
  4. Step 4: Simplify right side
    8,798,810.70x = 104,130,450,391,185.48
  5. Step 5: Solve for x
    x = 104,130,450,391,185.48/8,798,810.70
  6. Step 6: Final answer
    x = 11,834,605.15

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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.