Home / 7,685,436.80-10,605,981.44-4,200,875.04

Finding the Fourth Proportional to 7,685,436.80, 10,605,981.44 and 4,200,875.04

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Solution

The fourth proportional to 7,685,436.80, 10,605,981.44 and 4,200,875.04 is: 5,797,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,436.80 : 10,605,981.44 = 4,200,875.04 : x
  2. Step 2: Convert to fraction form
    7,685,436.80/10,605,981.44 = 4,200,875.04/x
  3. Step 3: Cross multiply
    7,685,436.80x = 10,605,981.44 × 4,200,875.04
  4. Step 4: Simplify right side
    7,685,436.80x = 44,554,402,705,999.26
  5. Step 5: Solve for x
    x = 44,554,402,705,999.26/7,685,436.80
  6. Step 6: Final answer
    x = 5,797,250.55

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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.