Home / 12,624,605.37-17,421,606-7,117,931.39

Finding the Fourth Proportional to 12,624,605.37, 17,421,606 and 7,117,931.39

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Solution

The fourth proportional to 12,624,605.37, 17,421,606 and 7,117,931.39 is: 9,822,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,605.37 : 17,421,606 = 7,117,931.39 : x
  2. Step 2: Convert to fraction form
    12,624,605.37/17,421,606 = 7,117,931.39/x
  3. Step 3: Cross multiply
    12,624,605.37x = 17,421,606 × 7,117,931.39
  4. Step 4: Simplify right side
    12,624,605.37x = 124,005,796,124,504.31
  5. Step 5: Solve for x
    x = 124,005,796,124,504.31/12,624,605.37
  6. Step 6: Final answer
    x = 9,822,548.31

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1.5x scale

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.