Home / 12,096,411.90-18,120,123.45-7,533,455.10

Finding the Fourth Proportional to 12,096,411.90, 18,120,123.45 and 7,533,455.10

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Solution

The fourth proportional to 12,096,411.90, 18,120,123.45 and 7,533,455.10 is: 11,284,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,411.90 : 18,120,123.45 = 7,533,455.10 : x
  2. Step 2: Convert to fraction form
    12,096,411.90/18,120,123.45 = 7,533,455.10/x
  3. Step 3: Cross multiply
    12,096,411.90x = 18,120,123.45 × 7,533,455.10
  4. Step 4: Simplify right side
    12,096,411.90x = 136,507,136,417,032.08
  5. Step 5: Solve for x
    x = 136,507,136,417,032.08/12,096,411.90
  6. Step 6: Final answer
    x = 11,284,927.92

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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.