Home / 14,014,538.10-21,021,807.15-13,920,059.70

Finding the Fourth Proportional to 14,014,538.10, 21,021,807.15 and 13,920,059.70

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Solution

The fourth proportional to 14,014,538.10, 21,021,807.15 and 13,920,059.70 is: 20,880,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,538.10 : 21,021,807.15 = 13,920,059.70 : x
  2. Step 2: Convert to fraction form
    14,014,538.10/21,021,807.15 = 13,920,059.70/x
  3. Step 3: Cross multiply
    14,014,538.10x = 21,021,807.15 × 13,920,059.70
  4. Step 4: Simplify right side
    14,014,538.10x = 292,624,810,529,886.81
  5. Step 5: Solve for x
    x = 292,624,810,529,886.81/14,014,538.10
  6. Step 6: Final answer
    x = 20,880,089.55

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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.