Home / 12,898,453.19-19,347,042.18-4,810,798.81

Finding the Fourth Proportional to 12,898,453.19, 19,347,042.18 and 4,810,798.81

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Solution

The fourth proportional to 12,898,453.19, 19,347,042.18 and 4,810,798.81 is: 7,215,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,453.19 : 19,347,042.18 = 4,810,798.81 : x
  2. Step 2: Convert to fraction form
    12,898,453.19/19,347,042.18 = 4,810,798.81/x
  3. Step 3: Cross multiply
    12,898,453.19x = 19,347,042.18 × 4,810,798.81
  4. Step 4: Simplify right side
    12,898,453.19x = 93,074,727,399,828.59
  5. Step 5: Solve for x
    x = 93,074,727,399,828.59/12,898,453.19
  6. Step 6: Final answer
    x = 7,215,960.40

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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.