Home / 15,249,619.20-21,043,848.90-8,280,025.94

Finding the Fourth Proportional to 15,249,619.20, 21,043,848.90 and 8,280,025.94

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Solution

The fourth proportional to 15,249,619.20, 21,043,848.90 and 8,280,025.94 is: 11,426,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,619.20 : 21,043,848.90 = 8,280,025.94 : x
  2. Step 2: Convert to fraction form
    15,249,619.20/21,043,848.90 = 8,280,025.94/x
  3. Step 3: Cross multiply
    15,249,619.20x = 21,043,848.90 × 8,280,025.94
  4. Step 4: Simplify right side
    15,249,619.20x = 174,243,614,853,100.19
  5. Step 5: Solve for x
    x = 174,243,614,853,100.19/15,249,619.20
  6. Step 6: Final answer
    x = 11,426,096.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.