Home / 8,737,075.80-13,105,613.70-7,886,770.20

Finding the Fourth Proportional to 8,737,075.80, 13,105,613.70 and 7,886,770.20

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Solution

The fourth proportional to 8,737,075.80, 13,105,613.70 and 7,886,770.20 is: 11,830,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,075.80 : 13,105,613.70 = 7,886,770.20 : x
  2. Step 2: Convert to fraction form
    8,737,075.80/13,105,613.70 = 7,886,770.20/x
  3. Step 3: Cross multiply
    8,737,075.80x = 13,105,613.70 × 7,886,770.20
  4. Step 4: Simplify right side
    8,737,075.80x = 103,360,963,581,871.73
  5. Step 5: Solve for x
    x = 103,360,963,581,871.73/8,737,075.80
  6. Step 6: Final answer
    x = 11,830,155.30

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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.