Home / 42,009,538.08-63,014,317.80-13,257,923.88

Finding the Fourth Proportional to 42,009,538.08, 63,014,317.80 and 13,257,923.88

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Solution

The fourth proportional to 42,009,538.08, 63,014,317.80 and 13,257,923.88 is: 19,886,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,538.08 : 63,014,317.80 = 13,257,923.88 : x
  2. Step 2: Convert to fraction form
    42,009,538.08/63,014,317.80 = 13,257,923.88/x
  3. Step 3: Cross multiply
    42,009,538.08x = 63,014,317.80 × 13,257,923.88
  4. Step 4: Simplify right side
    42,009,538.08x = 835,439,028,742,529.12
  5. Step 5: Solve for x
    x = 835,439,028,742,529.12/42,009,538.08
  6. Step 6: Final answer
    x = 19,886,889.19

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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.