Home / 28,014,628.32-42,028,779.75-10,742,520.69

Finding the Fourth Proportional to 28,014,628.32, 42,028,779.75 and 10,742,520.69

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Solution

The fourth proportional to 28,014,628.32, 42,028,779.75 and 10,742,520.69 is: 16,116,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014,628.32 : 42,028,779.75 = 10,742,520.69 : x
  2. Step 2: Convert to fraction form
    28,014,628.32/42,028,779.75 = 10,742,520.69/x
  3. Step 3: Cross multiply
    28,014,628.32x = 42,028,779.75 × 10,742,520.69
  4. Step 4: Simplify right side
    28,014,628.32x = 451,495,036,039,828
  5. Step 5: Solve for x
    x = 451,495,036,039,828/28,014,628.32
  6. Step 6: Final answer
    x = 16,116,402.86

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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.