Home / 14,101,307.71-21,151,961.76-9,307,875.67

Finding the Fourth Proportional to 14,101,307.71, 21,151,961.76 and 9,307,875.67

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Solution

The fourth proportional to 14,101,307.71, 21,151,961.76 and 9,307,875.67 is: 13,961,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,307.71 : 21,151,961.76 = 9,307,875.67 : x
  2. Step 2: Convert to fraction form
    14,101,307.71/21,151,961.76 = 9,307,875.67/x
  3. Step 3: Cross multiply
    14,101,307.71x = 21,151,961.76 × 9,307,875.67
  4. Step 4: Simplify right side
    14,101,307.71x = 196,879,830,238,674.41
  5. Step 5: Solve for x
    x = 196,879,830,238,674.41/14,101,307.71
  6. Step 6: Final answer
    x = 13,961,813.63

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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.