Home / 13,075,690.71-18,044,619.26-7,196,001.87

Finding the Fourth Proportional to 13,075,690.71, 18,044,619.26 and 7,196,001.87

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Solution

The fourth proportional to 13,075,690.71, 18,044,619.26 and 7,196,001.87 is: 9,930,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075,690.71 : 18,044,619.26 = 7,196,001.87 : x
  2. Step 2: Convert to fraction form
    13,075,690.71/18,044,619.26 = 7,196,001.87/x
  3. Step 3: Cross multiply
    13,075,690.71x = 18,044,619.26 × 7,196,001.87
  4. Step 4: Simplify right side
    13,075,690.71x = 129,849,113,970,085.33
  5. Step 5: Solve for x
    x = 129,849,113,970,085.33/13,075,690.71
  6. Step 6: Final answer
    x = 9,930,573.98

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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.