Home / 7,390,674.79-10,125,055.32-7,114,353.72

Finding the Fourth Proportional to 7,390,674.79, 10,125,055.32 and 7,114,353.72

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Solution

The fourth proportional to 7,390,674.79, 10,125,055.32 and 7,114,353.72 is: 9,746,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,674.79 : 10,125,055.32 = 7,114,353.72 : x
  2. Step 2: Convert to fraction form
    7,390,674.79/10,125,055.32 = 7,114,353.72/x
  3. Step 3: Cross multiply
    7,390,674.79x = 10,125,055.32 × 7,114,353.72
  4. Step 4: Simplify right side
    7,390,674.79x = 72,033,224,981,047.80
  5. Step 5: Solve for x
    x = 72,033,224,981,047.80/7,390,674.79
  6. Step 6: Final answer
    x = 9,746,501.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.