Home / 12,838,102.51-19,225,210.15-8,981,870.66

Finding the Fourth Proportional to 12,838,102.51, 19,225,210.15 and 8,981,870.66

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Solution

The fourth proportional to 12,838,102.51, 19,225,210.15 and 8,981,870.66 is: 13,450,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,102.51 : 19,225,210.15 = 8,981,870.66 : x
  2. Step 2: Convert to fraction form
    12,838,102.51/19,225,210.15 = 8,981,870.66/x
  3. Step 3: Cross multiply
    12,838,102.51x = 19,225,210.15 × 8,981,870.66
  4. Step 4: Simplify right side
    12,838,102.51x = 172,678,351,037,950.84
  5. Step 5: Solve for x
    x = 172,678,351,037,950.84/12,838,102.51
  6. Step 6: Final answer
    x = 13,450,457.41

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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.