Home / 12,876,740.17-17,769,897.36-7,075,895.58

Finding the Fourth Proportional to 12,876,740.17, 17,769,897.36 and 7,075,895.58

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Solution

The fourth proportional to 12,876,740.17, 17,769,897.36 and 7,075,895.58 is: 9,764,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,740.17 : 17,769,897.36 = 7,075,895.58 : x
  2. Step 2: Convert to fraction form
    12,876,740.17/17,769,897.36 = 7,075,895.58/x
  3. Step 3: Cross multiply
    12,876,740.17x = 17,769,897.36 × 7,075,895.58
  4. Step 4: Simplify right side
    12,876,740.17x = 125,737,938,186,677.67
  5. Step 5: Solve for x
    x = 125,737,938,186,677.67/12,876,740.17
  6. Step 6: Final answer
    x = 9,764,733.66

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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.