Home / 15,430,516.12-23,100,368.94-10,300,220.92

Finding the Fourth Proportional to 15,430,516.12, 23,100,368.94 and 10,300,220.92

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Solution

The fourth proportional to 15,430,516.12, 23,100,368.94 and 10,300,220.92 is: 15,420,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,516.12 : 23,100,368.94 = 10,300,220.92 : x
  2. Step 2: Convert to fraction form
    15,430,516.12/23,100,368.94 = 10,300,220.92/x
  3. Step 3: Cross multiply
    15,430,516.12x = 23,100,368.94 × 10,300,220.92
  4. Step 4: Simplify right side
    15,430,516.12x = 237,938,903,415,506.25
  5. Step 5: Solve for x
    x = 237,938,903,415,506.25/15,430,516.12
  6. Step 6: Final answer
    x = 15,420,022.35

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1.5x scale

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.