Home / 7,710,376.92-10,640,382.70-4,272,675.40

Finding the Fourth Proportional to 7,710,376.92, 10,640,382.70 and 4,272,675.40

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Solution

The fourth proportional to 7,710,376.92, 10,640,382.70 and 4,272,675.40 is: 5,896,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710,376.92 : 10,640,382.70 = 4,272,675.40 : x
  2. Step 2: Convert to fraction form
    7,710,376.92/10,640,382.70 = 4,272,675.40/x
  3. Step 3: Cross multiply
    7,710,376.92x = 10,640,382.70 × 4,272,675.40
  4. Step 4: Simplify right side
    7,710,376.92x = 45,462,901,408,875.58
  5. Step 5: Solve for x
    x = 45,462,901,408,875.58/7,710,376.92
  6. Step 6: Final answer
    x = 5,896,326.71

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1.5x scale

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.