Home / 21,450,901.80-32,133,270.78-9,920,206.92

Finding the Fourth Proportional to 21,450,901.80, 32,133,270.78 and 9,920,206.92

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Solution

The fourth proportional to 21,450,901.80, 32,133,270.78 and 9,920,206.92 is: 14,860,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,901.80 : 32,133,270.78 = 9,920,206.92 : x
  2. Step 2: Convert to fraction form
    21,450,901.80/32,133,270.78 = 9,920,206.92/x
  3. Step 3: Cross multiply
    21,450,901.80x = 32,133,270.78 × 9,920,206.92
  4. Step 4: Simplify right side
    21,450,901.80x = 318,768,695,153,989.81
  5. Step 5: Solve for x
    x = 318,768,695,153,989.81/21,450,901.80
  6. Step 6: Final answer
    x = 14,860,386.67

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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.