Home / 14,445,941.50-19,934,967.36-7,919,347.88

Finding the Fourth Proportional to 14,445,941.50, 19,934,967.36 and 7,919,347.88

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Solution

The fourth proportional to 14,445,941.50, 19,934,967.36 and 7,919,347.88 is: 10,928,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445,941.50 : 19,934,967.36 = 7,919,347.88 : x
  2. Step 2: Convert to fraction form
    14,445,941.50/19,934,967.36 = 7,919,347.88/x
  3. Step 3: Cross multiply
    14,445,941.50x = 19,934,967.36 × 7,919,347.88
  4. Step 4: Simplify right side
    14,445,941.50x = 157,871,941,500,285.19
  5. Step 5: Solve for x
    x = 157,871,941,500,285.19/14,445,941.50
  6. Step 6: Final answer
    x = 10,928,463.30

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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.