Home / 21,742,784.64-32,590,262.52-8,956,315.80

Finding the Fourth Proportional to 21,742,784.64, 32,590,262.52 and 8,956,315.80

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Solution

The fourth proportional to 21,742,784.64, 32,590,262.52 and 8,956,315.80 is: 13,424,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742,784.64 : 32,590,262.52 = 8,956,315.80 : x
  2. Step 2: Convert to fraction form
    21,742,784.64/32,590,262.52 = 8,956,315.80/x
  3. Step 3: Cross multiply
    21,742,784.64x = 32,590,262.52 × 8,956,315.80
  4. Step 4: Simplify right side
    21,742,784.64x = 291,888,683,134,023.81
  5. Step 5: Solve for x
    x = 291,888,683,134,023.81/21,742,784.64
  6. Step 6: Final answer
    x = 13,424,622.83

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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.