Home / 7,152,013.54-9,869,709.89-3,888,829.52

Finding the Fourth Proportional to 7,152,013.54, 9,869,709.89 and 3,888,829.52

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Solution

The fourth proportional to 7,152,013.54, 9,869,709.89 and 3,888,829.52 is: 5,366,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,013.54 : 9,869,709.89 = 3,888,829.52 : x
  2. Step 2: Convert to fraction form
    7,152,013.54/9,869,709.89 = 3,888,829.52/x
  3. Step 3: Cross multiply
    7,152,013.54x = 9,869,709.89 × 3,888,829.52
  4. Step 4: Simplify right side
    7,152,013.54x = 38,381,619,134,441.48
  5. Step 5: Solve for x
    x = 38,381,619,134,441.48/7,152,013.54
  6. Step 6: Final answer
    x = 5,366,547.33

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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.