Home / 8,312,032.40-12,468,048.60-6,989,334.80

Finding the Fourth Proportional to 8,312,032.40, 12,468,048.60 and 6,989,334.80

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Solution

The fourth proportional to 8,312,032.40, 12,468,048.60 and 6,989,334.80 is: 10,484,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,032.40 : 12,468,048.60 = 6,989,334.80 : x
  2. Step 2: Convert to fraction form
    8,312,032.40/12,468,048.60 = 6,989,334.80/x
  3. Step 3: Cross multiply
    8,312,032.40x = 12,468,048.60 × 6,989,334.80
  4. Step 4: Simplify right side
    8,312,032.40x = 87,143,365,968,071.28
  5. Step 5: Solve for x
    x = 87,143,365,968,071.28/8,312,032.40
  6. Step 6: Final answer
    x = 10,484,002.20

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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.