Home / 13,501,347.87-18,632,701.50-7,621,977.33

Finding the Fourth Proportional to 13,501,347.87, 18,632,701.50 and 7,621,977.33

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Solution

The fourth proportional to 13,501,347.87, 18,632,701.50 and 7,621,977.33 is: 10,518,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,347.87 : 18,632,701.50 = 7,621,977.33 : x
  2. Step 2: Convert to fraction form
    13,501,347.87/18,632,701.50 = 7,621,977.33/x
  3. Step 3: Cross multiply
    13,501,347.87x = 18,632,701.50 × 7,621,977.33
  4. Step 4: Simplify right side
    13,501,347.87x = 142,018,028,429,657
  5. Step 5: Solve for x
    x = 142,018,028,429,657/13,501,347.87
  6. Step 6: Final answer
    x = 10,518,803.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.