Home / 14,018,550.19-19,345,851.20-8,221,513.03

Finding the Fourth Proportional to 14,018,550.19, 19,345,851.20 and 8,221,513.03

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Solution

The fourth proportional to 14,018,550.19, 19,345,851.20 and 8,221,513.03 is: 11,345,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018,550.19 : 19,345,851.20 = 8,221,513.03 : x
  2. Step 2: Convert to fraction form
    14,018,550.19/19,345,851.20 = 8,221,513.03/x
  3. Step 3: Cross multiply
    14,018,550.19x = 19,345,851.20 × 8,221,513.03
  4. Step 4: Simplify right side
    14,018,550.19x = 159,052,167,689,430.28
  5. Step 5: Solve for x
    x = 159,052,167,689,430.28/14,018,550.19
  6. Step 6: Final answer
    x = 11,345,835.74

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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.