Home / 15,816,838.96-21,828,881.71-9,111,402.96

Finding the Fourth Proportional to 15,816,838.96, 21,828,881.71 and 9,111,402.96

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Solution

The fourth proportional to 15,816,838.96, 21,828,881.71 and 9,111,402.96 is: 12,574,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,838.96 : 21,828,881.71 = 9,111,402.96 : x
  2. Step 2: Convert to fraction form
    15,816,838.96/21,828,881.71 = 9,111,402.96/x
  3. Step 3: Cross multiply
    15,816,838.96x = 21,828,881.71 × 9,111,402.96
  4. Step 4: Simplify right side
    15,816,838.96x = 198,891,737,425,983.88
  5. Step 5: Solve for x
    x = 198,891,737,425,983.88/15,816,838.96
  6. Step 6: Final answer
    x = 12,574,683.09

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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.