Home / 19,430,043.15-26,802,219.04-12,554,525.20

Finding the Fourth Proportional to 19,430,043.15, 26,802,219.04 and 12,554,525.20

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Solution

The fourth proportional to 19,430,043.15, 26,802,219.04 and 12,554,525.20 is: 17,317,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,043.15 : 26,802,219.04 = 12,554,525.20 : x
  2. Step 2: Convert to fraction form
    19,430,043.15/26,802,219.04 = 12,554,525.20/x
  3. Step 3: Cross multiply
    19,430,043.15x = 26,802,219.04 × 12,554,525.20
  4. Step 4: Simplify right side
    19,430,043.15x = 336,489,134,353,599.75
  5. Step 5: Solve for x
    x = 336,489,134,353,599.75/19,430,043.15
  6. Step 6: Final answer
    x = 17,317,981.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.