Home / 13,057,501.90-18,000,361.40-9,125,048.92

Finding the Fourth Proportional to 13,057,501.90, 18,000,361.40 and 9,125,048.92

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Solution

The fourth proportional to 13,057,501.90, 18,000,361.40 and 9,125,048.92 is: 12,579,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,501.90 : 18,000,361.40 = 9,125,048.92 : x
  2. Step 2: Convert to fraction form
    13,057,501.90/18,000,361.40 = 9,125,048.92/x
  3. Step 3: Cross multiply
    13,057,501.90x = 18,000,361.40 × 9,125,048.92
  4. Step 4: Simplify right side
    13,057,501.90x = 164,254,178,352,679.69
  5. Step 5: Solve for x
    x = 164,254,178,352,679.69/13,057,501.90
  6. Step 6: Final answer
    x = 12,579,295.77

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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.