Home / 7,620,674.78-10,525,259.40-5,018,809.79

Finding the Fourth Proportional to 7,620,674.78, 10,525,259.40 and 5,018,809.79

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Solution

The fourth proportional to 7,620,674.78, 10,525,259.40 and 5,018,809.79 is: 6,931,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,674.78 : 10,525,259.40 = 5,018,809.79 : x
  2. Step 2: Convert to fraction form
    7,620,674.78/10,525,259.40 = 5,018,809.79/x
  3. Step 3: Cross multiply
    7,620,674.78x = 10,525,259.40 × 5,018,809.79
  4. Step 4: Simplify right side
    7,620,674.78x = 52,824,274,919,009.53
  5. Step 5: Solve for x
    x = 52,824,274,919,009.53/7,620,674.78
  6. Step 6: Final answer
    x = 6,931,705.71

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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.