Home / 19,872,049.05-29,808,073.58-10,306,111.05

Finding the Fourth Proportional to 19,872,049.05, 29,808,073.58 and 10,306,111.05

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Solution

The fourth proportional to 19,872,049.05, 29,808,073.58 and 10,306,111.05 is: 15,459,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,049.05 : 29,808,073.58 = 10,306,111.05 : x
  2. Step 2: Convert to fraction form
    19,872,049.05/29,808,073.58 = 10,306,111.05/x
  3. Step 3: Cross multiply
    19,872,049.05x = 29,808,073.58 × 10,306,111.05
  4. Step 4: Simplify right side
    19,872,049.05x = 307,205,316,450,520.50
  5. Step 5: Solve for x
    x = 307,205,316,450,520.50/19,872,049.05
  6. Step 6: Final answer
    x = 15,459,166.58

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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.