Home / 14,208,088.80-21,312,133.20-13,200,319.20

Finding the Fourth Proportional to 14,208,088.80, 21,312,133.20 and 13,200,319.20

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Solution

The fourth proportional to 14,208,088.80, 21,312,133.20 and 13,200,319.20 is: 19,800,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,088.80 : 21,312,133.20 = 13,200,319.20 : x
  2. Step 2: Convert to fraction form
    14,208,088.80/21,312,133.20 = 13,200,319.20/x
  3. Step 3: Cross multiply
    14,208,088.80x = 21,312,133.20 × 13,200,319.20
  4. Step 4: Simplify right side
    14,208,088.80x = 281,326,961,072,917.41
  5. Step 5: Solve for x
    x = 281,326,961,072,917.41/14,208,088.80
  6. Step 6: Final answer
    x = 19,800,478.80

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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.