Home / 13,252,357.98-18,291,501.54-8,100,038.70

Finding the Fourth Proportional to 13,252,357.98, 18,291,501.54 and 8,100,038.70

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Solution

The fourth proportional to 13,252,357.98, 18,291,501.54 and 8,100,038.70 is: 11,180,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,357.98 : 18,291,501.54 = 8,100,038.70 : x
  2. Step 2: Convert to fraction form
    13,252,357.98/18,291,501.54 = 8,100,038.70/x
  3. Step 3: Cross multiply
    13,252,357.98x = 18,291,501.54 × 8,100,038.70
  4. Step 4: Simplify right side
    13,252,357.98x = 148,161,870,355,109.59
  5. Step 5: Solve for x
    x = 148,161,870,355,109.59/13,252,357.98
  6. Step 6: Final answer
    x = 11,180,038.34

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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.