Home / 12,411,462.40-18,617,193.60-8,585,087.20

Finding the Fourth Proportional to 12,411,462.40, 18,617,193.60 and 8,585,087.20

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Solution

The fourth proportional to 12,411,462.40, 18,617,193.60 and 8,585,087.20 is: 12,877,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,462.40 : 18,617,193.60 = 8,585,087.20 : x
  2. Step 2: Convert to fraction form
    12,411,462.40/18,617,193.60 = 8,585,087.20/x
  3. Step 3: Cross multiply
    12,411,462.40x = 18,617,193.60 × 8,585,087.20
  4. Step 4: Simplify right side
    12,411,462.40x = 159,830,230,475,281.91
  5. Step 5: Solve for x
    x = 159,830,230,475,281.91/12,411,462.40
  6. Step 6: Final answer
    x = 12,877,630.80

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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.