Home / 12,136,298.90-18,204,448.35-7,341,520.10

Finding the Fourth Proportional to 12,136,298.90, 18,204,448.35 and 7,341,520.10

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Solution

The fourth proportional to 12,136,298.90, 18,204,448.35 and 7,341,520.10 is: 11,012,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,298.90 : 18,204,448.35 = 7,341,520.10 : x
  2. Step 2: Convert to fraction form
    12,136,298.90/18,204,448.35 = 7,341,520.10/x
  3. Step 3: Cross multiply
    12,136,298.90x = 18,204,448.35 × 7,341,520.10
  4. Step 4: Simplify right side
    12,136,298.90x = 133,648,323,470,936.84
  5. Step 5: Solve for x
    x = 133,648,323,470,936.84/12,136,298.90
  6. Step 6: Final answer
    x = 11,012,280.15

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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.