Home / 19,440,090.30-29,160,135.45-7,472,826.30

Finding the Fourth Proportional to 19,440,090.30, 29,160,135.45 and 7,472,826.30

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Solution

The fourth proportional to 19,440,090.30, 29,160,135.45 and 7,472,826.30 is: 11,209,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,090.30 : 29,160,135.45 = 7,472,826.30 : x
  2. Step 2: Convert to fraction form
    19,440,090.30/29,160,135.45 = 7,472,826.30/x
  3. Step 3: Cross multiply
    19,440,090.30x = 29,160,135.45 × 7,472,826.30
  4. Step 4: Simplify right side
    19,440,090.30x = 217,908,627,102,322.31
  5. Step 5: Solve for x
    x = 217,908,627,102,322.31/19,440,090.30
  6. Step 6: Final answer
    x = 11,209,239.45

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Double scale
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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.