Home / 12,974,075.47-17,904,597.90-7,173,231.71

Finding the Fourth Proportional to 12,974,075.47, 17,904,597.90 and 7,173,231.71

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Solution

The fourth proportional to 12,974,075.47, 17,904,597.90 and 7,173,231.71 is: 9,899,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,075.47 : 17,904,597.90 = 7,173,231.71 : x
  2. Step 2: Convert to fraction form
    12,974,075.47/17,904,597.90 = 7,173,231.71/x
  3. Step 3: Cross multiply
    12,974,075.47x = 17,904,597.90 × 7,173,231.71
  4. Step 4: Simplify right side
    12,974,075.47x = 128,433,829,411,079.39
  5. Step 5: Solve for x
    x = 128,433,829,411,079.39/12,974,075.47
  6. Step 6: Final answer
    x = 9,899,266.41

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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.