Home / 34,390,319.04-47,458,638.60-18,920,071.56

Finding the Fourth Proportional to 34,390,319.04, 47,458,638.60 and 18,920,071.56

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Solution

The fourth proportional to 34,390,319.04, 47,458,638.60 and 18,920,071.56 is: 26,109,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390,319.04 : 47,458,638.60 = 18,920,071.56 : x
  2. Step 2: Convert to fraction form
    34,390,319.04/47,458,638.60 = 18,920,071.56/x
  3. Step 3: Cross multiply
    34,390,319.04x = 47,458,638.60 × 18,920,071.56
  4. Step 4: Simplify right side
    34,390,319.04x = 897,920,838,452,178.12
  5. Step 5: Solve for x
    x = 897,920,838,452,178.12/34,390,319.04
  6. Step 6: Final answer
    x = 26,109,697.83

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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.