Home / 19,457,656.20-29,186,484.30-12,291,294.60

Finding the Fourth Proportional to 19,457,656.20, 29,186,484.30 and 12,291,294.60

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Solution

The fourth proportional to 19,457,656.20, 29,186,484.30 and 12,291,294.60 is: 18,436,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457,656.20 : 29,186,484.30 = 12,291,294.60 : x
  2. Step 2: Convert to fraction form
    19,457,656.20/29,186,484.30 = 12,291,294.60/x
  3. Step 3: Cross multiply
    19,457,656.20x = 29,186,484.30 × 12,291,294.60
  4. Step 4: Simplify right side
    19,457,656.20x = 358,739,676,869,574.75
  5. Step 5: Solve for x
    x = 358,739,676,869,574.75/19,457,656.20
  6. Step 6: Final answer
    x = 18,436,941.90

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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.