Home / 19,123,830.86-26,390,116.46-10,421,816.64

Finding the Fourth Proportional to 19,123,830.86, 26,390,116.46 and 10,421,816.64

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Solution

The fourth proportional to 19,123,830.86, 26,390,116.46 and 10,421,816.64 is: 14,381,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,830.86 : 26,390,116.46 = 10,421,816.64 : x
  2. Step 2: Convert to fraction form
    19,123,830.86/26,390,116.46 = 10,421,816.64/x
  3. Step 3: Cross multiply
    19,123,830.86x = 26,390,116.46 × 10,421,816.64
  4. Step 4: Simplify right side
    19,123,830.86x = 275,032,954,802,256.81
  5. Step 5: Solve for x
    x = 275,032,954,802,256.81/19,123,830.86
  6. Step 6: Final answer
    x = 14,381,687.27

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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.