Home / 8,075,802.40-12,124,201.20-6,480,167.20

Finding the Fourth Proportional to 8,075,802.40, 12,124,201.20 and 6,480,167.20

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Solution

The fourth proportional to 8,075,802.40, 12,124,201.20 and 6,480,167.20 is: 9,728,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,802.40 : 12,124,201.20 = 6,480,167.20 : x
  2. Step 2: Convert to fraction form
    8,075,802.40/12,124,201.20 = 6,480,167.20/x
  3. Step 3: Cross multiply
    8,075,802.40x = 12,124,201.20 × 6,480,167.20
  4. Step 4: Simplify right side
    8,075,802.40x = 78,566,850,942,440.64
  5. Step 5: Solve for x
    x = 78,566,850,942,440.64/8,075,802.40
  6. Step 6: Final answer
    x = 9,728,674.26

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1.5x scale

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.