Home / 14,208,153.60-21,312,230.40-7,405,708.80

Finding the Fourth Proportional to 14,208,153.60, 21,312,230.40 and 7,405,708.80

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Solution

The fourth proportional to 14,208,153.60, 21,312,230.40 and 7,405,708.80 is: 11,108,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,153.60 : 21,312,230.40 = 7,405,708.80 : x
  2. Step 2: Convert to fraction form
    14,208,153.60/21,312,230.40 = 7,405,708.80/x
  3. Step 3: Cross multiply
    14,208,153.60x = 21,312,230.40 × 7,405,708.80
  4. Step 4: Simplify right side
    14,208,153.60x = 157,832,172,220,907.50
  5. Step 5: Solve for x
    x = 157,832,172,220,907.50/14,208,153.60
  6. Step 6: Final answer
    x = 11,108,563.20

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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.