Home / 12,570,567.48-18,869,045.04-11,140,400.70

Finding the Fourth Proportional to 12,570,567.48, 18,869,045.04 and 11,140,400.70

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Solution

The fourth proportional to 12,570,567.48, 18,869,045.04 and 11,140,400.70 is: 16,722,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,567.48 : 18,869,045.04 = 11,140,400.70 : x
  2. Step 2: Convert to fraction form
    12,570,567.48/18,869,045.04 = 11,140,400.70/x
  3. Step 3: Cross multiply
    12,570,567.48x = 18,869,045.04 × 11,140,400.70
  4. Step 4: Simplify right side
    12,570,567.48x = 210,208,722,571,947.50
  5. Step 5: Solve for x
    x = 210,208,722,571,947.50/12,570,567.48
  6. Step 6: Final answer
    x = 16,722,293.80

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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.