Home / 12,046,270.60-18,069,405.90-8,456,091.40

Finding the Fourth Proportional to 12,046,270.60, 18,069,405.90 and 8,456,091.40

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Solution

The fourth proportional to 12,046,270.60, 18,069,405.90 and 8,456,091.40 is: 12,684,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046,270.60 : 18,069,405.90 = 8,456,091.40 : x
  2. Step 2: Convert to fraction form
    12,046,270.60/18,069,405.90 = 8,456,091.40/x
  3. Step 3: Cross multiply
    12,046,270.60x = 18,069,405.90 × 8,456,091.40
  4. Step 4: Simplify right side
    12,046,270.60x = 152,796,547,834,099.25
  5. Step 5: Solve for x
    x = 152,796,547,834,099.25/12,046,270.60
  6. Step 6: Final answer
    x = 12,684,137.10

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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.