Home / 10,306,912.60-15,460,368.90-9,314,889.40

Finding the Fourth Proportional to 10,306,912.60, 15,460,368.90 and 9,314,889.40

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Solution

The fourth proportional to 10,306,912.60, 15,460,368.90 and 9,314,889.40 is: 13,972,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,912.60 : 15,460,368.90 = 9,314,889.40 : x
  2. Step 2: Convert to fraction form
    10,306,912.60/15,460,368.90 = 9,314,889.40/x
  3. Step 3: Cross multiply
    10,306,912.60x = 15,460,368.90 × 9,314,889.40
  4. Step 4: Simplify right side
    10,306,912.60x = 144,011,626,386,699.66
  5. Step 5: Solve for x
    x = 144,011,626,386,699.66/10,306,912.60
  6. Step 6: Final answer
    x = 13,972,334.10

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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.