Home / 13,771,357.40-20,657,813.70-4,187,048.60

Finding the Fourth Proportional to 13,771,357.40, 20,657,813.70 and 4,187,048.60

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Solution

The fourth proportional to 13,771,357.40, 20,657,813.70 and 4,187,048.60 is: 6,280,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,357.40 : 20,657,813.70 = 4,187,048.60 : x
  2. Step 2: Convert to fraction form
    13,771,357.40/20,657,813.70 = 4,187,048.60/x
  3. Step 3: Cross multiply
    13,771,357.40x = 20,657,813.70 × 4,187,048.60
  4. Step 4: Simplify right side
    13,771,357.40x = 86,495,269,931,645.81
  5. Step 5: Solve for x
    x = 86,495,269,931,645.81/13,771,357.40
  6. Step 6: Final answer
    x = 6,280,809.32

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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.