Home / 15,036,510.76-20,750,583.91-8,161,075.24

Finding the Fourth Proportional to 15,036,510.76, 20,750,583.91 and 8,161,075.24

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Solution

The fourth proportional to 15,036,510.76, 20,750,583.91 and 8,161,075.24 is: 11,262,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,510.76 : 20,750,583.91 = 8,161,075.24 : x
  2. Step 2: Convert to fraction form
    15,036,510.76/20,750,583.91 = 8,161,075.24/x
  3. Step 3: Cross multiply
    15,036,510.76x = 20,750,583.91 × 8,161,075.24
  4. Step 4: Simplify right side
    15,036,510.76x = 169,347,076,459,690.47
  5. Step 5: Solve for x
    x = 169,347,076,459,690.47/15,036,510.76
  6. Step 6: Final answer
    x = 11,262,391.87

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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.