Home / 15,628,695.02-21,560,728.92-9,430,284.50

Finding the Fourth Proportional to 15,628,695.02, 21,560,728.92 and 9,430,284.50

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Solution

The fourth proportional to 15,628,695.02, 21,560,728.92 and 9,430,284.50 is: 13,009,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628,695.02 : 21,560,728.92 = 9,430,284.50 : x
  2. Step 2: Convert to fraction form
    15,628,695.02/21,560,728.92 = 9,430,284.50/x
  3. Step 3: Cross multiply
    15,628,695.02x = 21,560,728.92 × 9,430,284.50
  4. Step 4: Simplify right side
    15,628,695.02x = 203,323,807,742,977.75
  5. Step 5: Solve for x
    x = 203,323,807,742,977.75/15,628,695.02
  6. Step 6: Final answer
    x = 13,009,647.16

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1.5x scale

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.