Home / 9,346,938.80-14,020,408.20-5,315,860.40

Finding the Fourth Proportional to 9,346,938.80, 14,020,408.20 and 5,315,860.40

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Solution

The fourth proportional to 9,346,938.80, 14,020,408.20 and 5,315,860.40 is: 7,973,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346,938.80 : 14,020,408.20 = 5,315,860.40 : x
  2. Step 2: Convert to fraction form
    9,346,938.80/14,020,408.20 = 5,315,860.40/x
  3. Step 3: Cross multiply
    9,346,938.80x = 14,020,408.20 × 5,315,860.40
  4. Step 4: Simplify right side
    9,346,938.80x = 74,530,532,742,215.28
  5. Step 5: Solve for x
    x = 74,530,532,742,215.28/9,346,938.80
  6. Step 6: Final answer
    x = 7,973,790.60

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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.