Home / 22,201,557.28-30,638,822.16-12,412,413.92

Finding the Fourth Proportional to 22,201,557.28, 30,638,822.16 and 12,412,413.92

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Solution

The fourth proportional to 22,201,557.28, 30,638,822.16 and 12,412,413.92 is: 17,129,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201,557.28 : 30,638,822.16 = 12,412,413.92 : x
  2. Step 2: Convert to fraction form
    22,201,557.28/30,638,822.16 = 12,412,413.92/x
  3. Step 3: Cross multiply
    22,201,557.28x = 30,638,822.16 × 12,412,413.92
  4. Step 4: Simplify right side
    22,201,557.28x = 380,301,742,671,188.44
  5. Step 5: Solve for x
    x = 380,301,742,671,188.44/22,201,557.28
  6. Step 6: Final answer
    x = 17,129,507.53

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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.