Home / 14,112,089.20-21,168,133.80-14,012,556.40

Finding the Fourth Proportional to 14,112,089.20, 21,168,133.80 and 14,012,556.40

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Solution

The fourth proportional to 14,112,089.20, 21,168,133.80 and 14,012,556.40 is: 21,018,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,089.20 : 21,168,133.80 = 14,012,556.40 : x
  2. Step 2: Convert to fraction form
    14,112,089.20/21,168,133.80 = 14,012,556.40/x
  3. Step 3: Cross multiply
    14,112,089.20x = 21,168,133.80 × 14,012,556.40
  4. Step 4: Simplify right side
    14,112,089.20x = 296,619,668,755,246.31
  5. Step 5: Solve for x
    x = 296,619,668,755,246.31/14,112,089.20
  6. Step 6: Final answer
    x = 21,018,834.60

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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.