Home / 12,228,543.05-16,868,341.71-7,636,892.81

Finding the Fourth Proportional to 12,228,543.05, 16,868,341.71 and 7,636,892.81

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Solution

The fourth proportional to 12,228,543.05, 16,868,341.71 and 7,636,892.81 is: 10,534,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,543.05 : 16,868,341.71 = 7,636,892.81 : x
  2. Step 2: Convert to fraction form
    12,228,543.05/16,868,341.71 = 7,636,892.81/x
  3. Step 3: Cross multiply
    12,228,543.05x = 16,868,341.71 × 7,636,892.81
  4. Step 4: Simplify right side
    12,228,543.05x = 128,821,717,437,380.39
  5. Step 5: Solve for x
    x = 128,821,717,437,380.39/12,228,543.05
  6. Step 6: Final answer
    x = 10,534,510.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.