Home / 42,303,651.60-63,455,477.40-12,011,514.60

Finding the Fourth Proportional to 42,303,651.60, 63,455,477.40 and 12,011,514.60

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Solution

The fourth proportional to 42,303,651.60, 63,455,477.40 and 12,011,514.60 is: 18,017,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,651.60 : 63,455,477.40 = 12,011,514.60 : x
  2. Step 2: Convert to fraction form
    42,303,651.60/63,455,477.40 = 12,011,514.60/x
  3. Step 3: Cross multiply
    42,303,651.60x = 63,455,477.40 × 12,011,514.60
  4. Step 4: Simplify right side
    42,303,651.60x = 762,196,393,240,070
  5. Step 5: Solve for x
    x = 762,196,393,240,070/42,303,651.60
  6. Step 6: Final answer
    x = 18,017,271.90

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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.