Home / 12,357,557.40-18,538,085.70-3,837,005.40

Finding the Fourth Proportional to 12,357,557.40, 18,538,085.70 and 3,837,005.40

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Solution

The fourth proportional to 12,357,557.40, 18,538,085.70 and 3,837,005.40 is: 5,756,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,557.40 : 18,538,085.70 = 3,837,005.40 : x
  2. Step 2: Convert to fraction form
    12,357,557.40/18,538,085.70 = 3,837,005.40/x
  3. Step 3: Cross multiply
    12,357,557.40x = 18,538,085.70 × 3,837,005.40
  4. Step 4: Simplify right side
    12,357,557.40x = 71,130,734,936,562.78
  5. Step 5: Solve for x
    x = 71,130,734,936,562.78/12,357,557.40
  6. Step 6: Final answer
    x = 5,756,051.35

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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.