Home / 8,500,012.40-12,748,772.93-4,180,903.28

Finding the Fourth Proportional to 8,500,012.40, 12,748,772.93 and 4,180,903.28

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Solution

The fourth proportional to 8,500,012.40, 12,748,772.93 and 4,180,903.28 is: 6,270,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,012.40 : 12,748,772.93 = 4,180,903.28 : x
  2. Step 2: Convert to fraction form
    8,500,012.40/12,748,772.93 = 4,180,903.28/x
  3. Step 3: Cross multiply
    8,500,012.40x = 12,748,772.93 × 4,180,903.28
  4. Step 4: Simplify right side
    8,500,012.40x = 53,301,386,559,012.20
  5. Step 5: Solve for x
    x = 53,301,386,559,012.20/8,500,012.40
  6. Step 6: Final answer
    x = 6,270,742.22

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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.