Home / 42,347,482.72-63,527,522.64-19,630,676.32

Finding the Fourth Proportional to 42,347,482.72, 63,527,522.64 and 19,630,676.32

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Solution

The fourth proportional to 42,347,482.72, 63,527,522.64 and 19,630,676.32 is: 29,448,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347,482.72 : 63,527,522.64 = 19,630,676.32 : x
  2. Step 2: Convert to fraction form
    42,347,482.72/63,527,522.64 = 19,630,676.32/x
  3. Step 3: Cross multiply
    42,347,482.72x = 63,527,522.64 × 19,630,676.32
  4. Step 4: Simplify right side
    42,347,482.72x = 1,247,088,234,357,312
  5. Step 5: Solve for x
    x = 1,247,088,234,357,312/42,347,482.72
  6. Step 6: Final answer
    x = 29,448,934.25

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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.