Home / 21,559,930.60-32,339,895.90-10,778,895.40

Finding the Fourth Proportional to 21,559,930.60, 32,339,895.90 and 10,778,895.40

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Solution

The fourth proportional to 21,559,930.60, 32,339,895.90 and 10,778,895.40 is: 16,168,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,930.60 : 32,339,895.90 = 10,778,895.40 : x
  2. Step 2: Convert to fraction form
    21,559,930.60/32,339,895.90 = 10,778,895.40/x
  3. Step 3: Cross multiply
    21,559,930.60x = 32,339,895.90 × 10,778,895.40
  4. Step 4: Simplify right side
    21,559,930.60x = 348,588,355,152,988.88
  5. Step 5: Solve for x
    x = 348,588,355,152,988.88/21,559,930.60
  6. Step 6: Final answer
    x = 16,168,343.10

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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.