Home / 23,131,075.14-31,921,073.88-12,817,970.46

Finding the Fourth Proportional to 23,131,075.14, 31,921,073.88 and 12,817,970.46

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Solution

The fourth proportional to 23,131,075.14, 31,921,073.88 and 12,817,970.46 is: 17,688,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,075.14 : 31,921,073.88 = 12,817,970.46 : x
  2. Step 2: Convert to fraction form
    23,131,075.14/31,921,073.88 = 12,817,970.46/x
  3. Step 3: Cross multiply
    23,131,075.14x = 31,921,073.88 × 12,817,970.46
  4. Step 4: Simplify right side
    23,131,075.14x = 409,163,382,045,317.62
  5. Step 5: Solve for x
    x = 409,163,382,045,317.62/23,131,075.14
  6. Step 6: Final answer
    x = 17,688,904.63

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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.