Home / 13,426,580.70-18,528,036.93-7,624,596.06

Finding the Fourth Proportional to 13,426,580.70, 18,528,036.93 and 7,624,596.06

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Solution

The fourth proportional to 13,426,580.70, 18,528,036.93 and 7,624,596.06 is: 10,521,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,580.70 : 18,528,036.93 = 7,624,596.06 : x
  2. Step 2: Convert to fraction form
    13,426,580.70/18,528,036.93 = 7,624,596.06/x
  3. Step 3: Cross multiply
    13,426,580.70x = 18,528,036.93 × 7,624,596.06
  4. Step 4: Simplify right side
    13,426,580.70x = 141,268,797,376,012.50
  5. Step 5: Solve for x
    x = 141,268,797,376,012.50/13,426,580.70
  6. Step 6: Final answer
    x = 10,521,576.60

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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.