Home / 11,009,931.30-16,514,896.95-8,742,449.70

Finding the Fourth Proportional to 11,009,931.30, 16,514,896.95 and 8,742,449.70

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Solution

The fourth proportional to 11,009,931.30, 16,514,896.95 and 8,742,449.70 is: 13,113,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009,931.30 : 16,514,896.95 = 8,742,449.70 : x
  2. Step 2: Convert to fraction form
    11,009,931.30/16,514,896.95 = 8,742,449.70/x
  3. Step 3: Cross multiply
    11,009,931.30x = 16,514,896.95 × 8,742,449.70
  4. Step 4: Simplify right side
    11,009,931.30x = 144,380,655,886,058.41
  5. Step 5: Solve for x
    x = 144,380,655,886,058.41/11,009,931.30
  6. Step 6: Final answer
    x = 13,113,674.55

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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.