Home / 9,927,111.40-14,890,667.10-7,407,687.40

Finding the Fourth Proportional to 9,927,111.40, 14,890,667.10 and 7,407,687.40

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Solution

The fourth proportional to 9,927,111.40, 14,890,667.10 and 7,407,687.40 is: 11,111,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927,111.40 : 14,890,667.10 = 7,407,687.40 : x
  2. Step 2: Convert to fraction form
    9,927,111.40/14,890,667.10 = 7,407,687.40/x
  3. Step 3: Cross multiply
    9,927,111.40x = 14,890,667.10 × 7,407,687.40
  4. Step 4: Simplify right side
    9,927,111.40x = 110,305,407,054,264.55
  5. Step 5: Solve for x
    x = 110,305,407,054,264.55/9,927,111.40
  6. Step 6: Final answer
    x = 11,111,531.10

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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.