Home / 20,596,560.70-28,424,582.37-11,429,203.45

Finding the Fourth Proportional to 20,596,560.70, 28,424,582.37 and 11,429,203.45

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Solution

The fourth proportional to 20,596,560.70, 28,424,582.37 and 11,429,203.45 is: 15,773,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596,560.70 : 28,424,582.37 = 11,429,203.45 : x
  2. Step 2: Convert to fraction form
    20,596,560.70/28,424,582.37 = 11,429,203.45/x
  3. Step 3: Cross multiply
    20,596,560.70x = 28,424,582.37 × 11,429,203.45
  4. Step 4: Simplify right side
    20,596,560.70x = 324,870,334,888,013.19
  5. Step 5: Solve for x
    x = 324,870,334,888,013.19/20,596,560.70
  6. Step 6: Final answer
    x = 15,773,038.01

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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.