Home / 7,168,526.40-9,892,514.80-3,905,340.14

Finding the Fourth Proportional to 7,168,526.40, 9,892,514.80 and 3,905,340.14

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Solution

The fourth proportional to 7,168,526.40, 9,892,514.80 and 3,905,340.14 is: 5,389,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,526.40 : 9,892,514.80 = 3,905,340.14 : x
  2. Step 2: Convert to fraction form
    7,168,526.40/9,892,514.80 = 3,905,340.14/x
  3. Step 3: Cross multiply
    7,168,526.40x = 9,892,514.80 × 3,905,340.14
  4. Step 4: Simplify right side
    7,168,526.40x = 38,633,635,133,984.08
  5. Step 5: Solve for x
    x = 38,633,635,133,984.08/7,168,526.40
  6. Step 6: Final answer
    x = 5,389,341.26

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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.