Home / 42,106,544.20-63,153,911.40-13,355,586.10

Finding the Fourth Proportional to 42,106,544.20, 63,153,911.40 and 13,355,586.10

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Solution

The fourth proportional to 42,106,544.20, 63,153,911.40 and 13,355,586.10 is: 20,031,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106,544.20 : 63,153,911.40 = 13,355,586.10 : x
  2. Step 2: Convert to fraction form
    42,106,544.20/63,153,911.40 = 13,355,586.10/x
  3. Step 3: Cross multiply
    42,106,544.20x = 63,153,911.40 × 13,355,586.10
  4. Step 4: Simplify right side
    42,106,544.20x = 843,457,501,254,471.50
  5. Step 5: Solve for x
    x = 843,457,501,254,471.50/42,106,544.20
  6. Step 6: Final answer
    x = 20,031,506.20

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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.