Home / 12,551,413.60-18,827,120.40-8,725,038.40

Finding the Fourth Proportional to 12,551,413.60, 18,827,120.40 and 8,725,038.40

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Solution

The fourth proportional to 12,551,413.60, 18,827,120.40 and 8,725,038.40 is: 13,087,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551,413.60 : 18,827,120.40 = 8,725,038.40 : x
  2. Step 2: Convert to fraction form
    12,551,413.60/18,827,120.40 = 8,725,038.40/x
  3. Step 3: Cross multiply
    12,551,413.60x = 18,827,120.40 × 8,725,038.40
  4. Step 4: Simplify right side
    12,551,413.60x = 164,267,348,451,423.34
  5. Step 5: Solve for x
    x = 164,267,348,451,423.34/12,551,413.60
  6. Step 6: Final answer
    x = 13,087,557.60

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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.