Home / 21,450,916.46-32,133,293.58-9,920,221.40

Finding the Fourth Proportional to 21,450,916.46, 32,133,293.58 and 9,920,221.40

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Solution

The fourth proportional to 21,450,916.46, 32,133,293.58 and 9,920,221.40 is: 14,860,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,916.46 : 32,133,293.58 = 9,920,221.40 : x
  2. Step 2: Convert to fraction form
    21,450,916.46/32,133,293.58 = 9,920,221.40/x
  3. Step 3: Cross multiply
    21,450,916.46x = 32,133,293.58 × 9,920,221.40
  4. Step 4: Simplify right side
    21,450,916.46x = 318,769,386,624,798.62
  5. Step 5: Solve for x
    x = 318,769,386,624,798.62/21,450,916.46
  6. Step 6: Final answer
    x = 14,860,408.75

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1.5x scale

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.