Home / 12,482,017.60-18,724,840.80-5,293,537.60

Finding the Fourth Proportional to 12,482,017.60, 18,724,840.80 and 5,293,537.60

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Solution

The fourth proportional to 12,482,017.60, 18,724,840.80 and 5,293,537.60 is: 7,941,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,017.60 : 18,724,840.80 = 5,293,537.60 : x
  2. Step 2: Convert to fraction form
    12,482,017.60/18,724,840.80 = 5,293,537.60/x
  3. Step 3: Cross multiply
    12,482,017.60x = 18,724,840.80 × 5,293,537.60
  4. Step 4: Simplify right side
    12,482,017.60x = 99,120,648,828,814.08
  5. Step 5: Solve for x
    x = 99,120,648,828,814.08/12,482,017.60
  6. Step 6: Final answer
    x = 7,941,075.87

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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.