Home / 7,578,246.16-10,457,856.12-4,140,413.20

Finding the Fourth Proportional to 7,578,246.16, 10,457,856.12 and 4,140,413.20

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Solution

The fourth proportional to 7,578,246.16, 10,457,856.12 and 4,140,413.20 is: 5,713,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,246.16 : 10,457,856.12 = 4,140,413.20 : x
  2. Step 2: Convert to fraction form
    7,578,246.16/10,457,856.12 = 4,140,413.20/x
  3. Step 3: Cross multiply
    7,578,246.16x = 10,457,856.12 × 4,140,413.20
  4. Step 4: Simplify right side
    7,578,246.16x = 43,299,845,522,948.78
  5. Step 5: Solve for x
    x = 43,299,845,522,948.78/7,578,246.16
  6. Step 6: Final answer
    x = 5,713,702.70

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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.