Home / 9,357,195.40-12,912,087.08-5,226,865.47

Finding the Fourth Proportional to 9,357,195.40, 12,912,087.08 and 5,226,865.47

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Solution

The fourth proportional to 9,357,195.40, 12,912,087.08 and 5,226,865.47 is: 7,212,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,195.40 : 12,912,087.08 = 5,226,865.47 : x
  2. Step 2: Convert to fraction form
    9,357,195.40/12,912,087.08 = 5,226,865.47/x
  3. Step 3: Cross multiply
    9,357,195.40x = 12,912,087.08 × 5,226,865.47
  4. Step 4: Simplify right side
    9,357,195.40x = 67,489,742,117,152.29
  5. Step 5: Solve for x
    x = 67,489,742,117,152.29/9,357,195.40
  6. Step 6: Final answer
    x = 7,212,603.70

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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.