Home / 7,781,510.80-10,738,039.44-4,343,969.62

Finding the Fourth Proportional to 7,781,510.80, 10,738,039.44 and 4,343,969.62

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Solution

The fourth proportional to 7,781,510.80, 10,738,039.44 and 4,343,969.62 is: 5,994,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,510.80 : 10,738,039.44 = 4,343,969.62 : x
  2. Step 2: Convert to fraction form
    7,781,510.80/10,738,039.44 = 4,343,969.62/x
  3. Step 3: Cross multiply
    7,781,510.80x = 10,738,039.44 × 4,343,969.62
  4. Step 4: Simplify right side
    7,781,510.80x = 46,645,717,105,721.81
  5. Step 5: Solve for x
    x = 46,645,717,105,721.81/7,781,510.80
  6. Step 6: Final answer
    x = 5,994,429.40

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Double scale
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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.