Home / 10,636,622.19-15,959,916-5,242,332.02

Finding the Fourth Proportional to 10,636,622.19, 15,959,916 and 5,242,332.02

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Solution

The fourth proportional to 10,636,622.19, 15,959,916 and 5,242,332.02 is: 7,865,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,622.19 : 15,959,916 = 5,242,332.02 : x
  2. Step 2: Convert to fraction form
    10,636,622.19/15,959,916 = 5,242,332.02/x
  3. Step 3: Cross multiply
    10,636,622.19x = 15,959,916 × 5,242,332.02
  4. Step 4: Simplify right side
    10,636,622.19x = 83,667,178,603,510.73
  5. Step 5: Solve for x
    x = 83,667,178,603,510.73/10,636,622.19
  6. Step 6: Final answer
    x = 7,865,953.79

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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.