Home / 28,309,848.34-42,464,345.76-12,736,679.04

Finding the Fourth Proportional to 28,309,848.34, 42,464,345.76 and 12,736,679.04

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Solution

The fourth proportional to 28,309,848.34, 42,464,345.76 and 12,736,679.04 is: 19,104,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309,848.34 : 42,464,345.76 = 12,736,679.04 : x
  2. Step 2: Convert to fraction form
    28,309,848.34/42,464,345.76 = 12,736,679.04/x
  3. Step 3: Cross multiply
    28,309,848.34x = 42,464,345.76 × 12,736,679.04
  4. Step 4: Simplify right side
    28,309,848.34x = 540,854,742,588,704.81
  5. Step 5: Solve for x
    x = 540,854,742,588,704.81/28,309,848.34
  6. Step 6: Final answer
    x = 19,104,826.56

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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.