Home / 21,376,404.60-32,064,606.90-19,211,566.20

Finding the Fourth Proportional to 21,376,404.60, 32,064,606.90 and 19,211,566.20

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Solution

The fourth proportional to 21,376,404.60, 32,064,606.90 and 19,211,566.20 is: 28,817,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,404.60 : 32,064,606.90 = 19,211,566.20 : x
  2. Step 2: Convert to fraction form
    21,376,404.60/32,064,606.90 = 19,211,566.20/x
  3. Step 3: Cross multiply
    21,376,404.60x = 32,064,606.90 × 19,211,566.20
  4. Step 4: Simplify right side
    21,376,404.60x = 616,011,318,136,326.75
  5. Step 5: Solve for x
    x = 616,011,318,136,326.75/21,376,404.60
  6. Step 6: Final answer
    x = 28,817,349.30

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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.