Home / 13,122,590.40-19,683,885.60-7,453,886.40

Finding the Fourth Proportional to 13,122,590.40, 19,683,885.60 and 7,453,886.40

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Solution

The fourth proportional to 13,122,590.40, 19,683,885.60 and 7,453,886.40 is: 11,180,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,590.40 : 19,683,885.60 = 7,453,886.40 : x
  2. Step 2: Convert to fraction form
    13,122,590.40/19,683,885.60 = 7,453,886.40/x
  3. Step 3: Cross multiply
    13,122,590.40x = 19,683,885.60 × 7,453,886.40
  4. Step 4: Simplify right side
    13,122,590.40x = 146,721,447,172,995.84
  5. Step 5: Solve for x
    x = 146,721,447,172,995.84/13,122,590.40
  6. Step 6: Final answer
    x = 11,180,829.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.