Home / 12,249,328.60-18,373,992.90-8,470,192.60

Finding the Fourth Proportional to 12,249,328.60, 18,373,992.90 and 8,470,192.60

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Solution

The fourth proportional to 12,249,328.60, 18,373,992.90 and 8,470,192.60 is: 12,705,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,328.60 : 18,373,992.90 = 8,470,192.60 : x
  2. Step 2: Convert to fraction form
    12,249,328.60/18,373,992.90 = 8,470,192.60/x
  3. Step 3: Cross multiply
    12,249,328.60x = 18,373,992.90 × 8,470,192.60
  4. Step 4: Simplify right side
    12,249,328.60x = 155,631,258,694,032.53
  5. Step 5: Solve for x
    x = 155,631,258,694,032.53/12,249,328.60
  6. Step 6: Final answer
    x = 12,705,288.90

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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.