Home / 14,064,492.31-21,097,554.95-5,428,641.67

Finding the Fourth Proportional to 14,064,492.31, 21,097,554.95 and 5,428,641.67

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Solution

The fourth proportional to 14,064,492.31, 21,097,554.95 and 5,428,641.67 is: 8,143,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,492.31 : 21,097,554.95 = 5,428,641.67 : x
  2. Step 2: Convert to fraction form
    14,064,492.31/21,097,554.95 = 5,428,641.67/x
  3. Step 3: Cross multiply
    14,064,492.31x = 21,097,554.95 × 5,428,641.67
  4. Step 4: Simplify right side
    14,064,492.31x = 114,531,065,909,541.56
  5. Step 5: Solve for x
    x = 114,531,065,909,541.56/14,064,492.31
  6. Step 6: Final answer
    x = 8,143,277.65

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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.