Home / 14,143,237.12-21,216,420.60-5,047,455.52

Finding the Fourth Proportional to 14,143,237.12, 21,216,420.60 and 5,047,455.52

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Solution

The fourth proportional to 14,143,237.12, 21,216,420.60 and 5,047,455.52 is: 7,571,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143,237.12 : 21,216,420.60 = 5,047,455.52 : x
  2. Step 2: Convert to fraction form
    14,143,237.12/21,216,420.60 = 5,047,455.52/x
  3. Step 3: Cross multiply
    14,143,237.12x = 21,216,420.60 × 5,047,455.52
  4. Step 4: Simplify right side
    14,143,237.12x = 107,088,939,272,111.70
  5. Step 5: Solve for x
    x = 107,088,939,272,111.70/14,143,237.12
  6. Step 6: Final answer
    x = 7,571,741.77

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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.