Home / 18,715,065.65-28,075,276.37-5,762,312.26

Finding the Fourth Proportional to 18,715,065.65, 28,075,276.37 and 5,762,312.26

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Solution

The fourth proportional to 18,715,065.65, 28,075,276.37 and 5,762,312.26 is: 8,644,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,065.65 : 28,075,276.37 = 5,762,312.26 : x
  2. Step 2: Convert to fraction form
    18,715,065.65/28,075,276.37 = 5,762,312.26/x
  3. Step 3: Cross multiply
    18,715,065.65x = 28,075,276.37 × 5,762,312.26
  4. Step 4: Simplify right side
    18,715,065.65x = 161,778,509,200,927.72
  5. Step 5: Solve for x
    x = 161,778,509,200,927.72/18,715,065.65
  6. Step 6: Final answer
    x = 8,644,292.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.