Home / 20,624,397.40-30,921,880.02-9,688,483.72

Finding the Fourth Proportional to 20,624,397.40, 30,921,880.02 and 9,688,483.72

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Solution

The fourth proportional to 20,624,397.40, 30,921,880.02 and 9,688,483.72 is: 14,525,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624,397.40 : 30,921,880.02 = 9,688,483.72 : x
  2. Step 2: Convert to fraction form
    20,624,397.40/30,921,880.02 = 9,688,483.72/x
  3. Step 3: Cross multiply
    20,624,397.40x = 30,921,880.02 × 9,688,483.72
  4. Step 4: Simplify right side
    20,624,397.40x = 299,586,131,165,563.31
  5. Step 5: Solve for x
    x = 299,586,131,165,563.31/20,624,397.40
  6. Step 6: Final answer
    x = 14,525,812.58

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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.