Home / 15,430,526.62-23,100,385.11-10,300,231.51

Finding the Fourth Proportional to 15,430,526.62, 23,100,385.11 and 10,300,231.51

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Solution

The fourth proportional to 15,430,526.62, 23,100,385.11 and 10,300,231.51 is: 15,420,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,526.62 : 23,100,385.11 = 10,300,231.51 : x
  2. Step 2: Convert to fraction form
    15,430,526.62/23,100,385.11 = 10,300,231.51/x
  3. Step 3: Cross multiply
    15,430,526.62x = 23,100,385.11 × 10,300,231.51
  4. Step 4: Simplify right side
    15,430,526.62x = 237,939,314,603,156.81
  5. Step 5: Solve for x
    x = 237,939,314,603,156.81/15,430,526.62
  6. Step 6: Final answer
    x = 15,420,038.50

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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.