Home / 38,208,378.12-52,727,337.21-20,804,681.67

Finding the Fourth Proportional to 38,208,378.12, 52,727,337.21 and 20,804,681.67

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Solution

The fourth proportional to 38,208,378.12, 52,727,337.21 and 20,804,681.67 is: 28,710,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208,378.12 : 52,727,337.21 = 20,804,681.67 : x
  2. Step 2: Convert to fraction form
    38,208,378.12/52,727,337.21 = 20,804,681.67/x
  3. Step 3: Cross multiply
    38,208,378.12x = 52,727,337.21 × 20,804,681.67
  4. Step 4: Simplify right side
    38,208,378.12x = 1,096,975,465,841,086
  5. Step 5: Solve for x
    x = 1,096,975,465,841,086/38,208,378.12
  6. Step 6: Final answer
    x = 28,710,338.41

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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.