Home / 19,103,999.60-28,655,999.40-12,301,554.80

Finding the Fourth Proportional to 19,103,999.60, 28,655,999.40 and 12,301,554.80

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Solution

The fourth proportional to 19,103,999.60, 28,655,999.40 and 12,301,554.80 is: 18,452,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103,999.60 : 28,655,999.40 = 12,301,554.80 : x
  2. Step 2: Convert to fraction form
    19,103,999.60/28,655,999.40 = 12,301,554.80/x
  3. Step 3: Cross multiply
    19,103,999.60x = 28,655,999.40 × 12,301,554.80
  4. Step 4: Simplify right side
    19,103,999.60x = 352,513,346,967,867.12
  5. Step 5: Solve for x
    x = 352,513,346,967,867.12/19,103,999.60
  6. Step 6: Final answer
    x = 18,452,332.20

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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.