Home / 21,581,216.20-32,371,824.30-14,778,771.40

Finding the Fourth Proportional to 21,581,216.20, 32,371,824.30 and 14,778,771.40

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Solution

The fourth proportional to 21,581,216.20, 32,371,824.30 and 14,778,771.40 is: 22,168,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,216.20 : 32,371,824.30 = 14,778,771.40 : x
  2. Step 2: Convert to fraction form
    21,581,216.20/32,371,824.30 = 14,778,771.40/x
  3. Step 3: Cross multiply
    21,581,216.20x = 32,371,824.30 × 14,778,771.40
  4. Step 4: Simplify right side
    21,581,216.20x = 478,415,791,130,665.06
  5. Step 5: Solve for x
    x = 478,415,791,130,665.06/21,581,216.20
  6. Step 6: Final answer
    x = 22,168,157.10

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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.