Home / 18,963,985.50-26,170,368.87-10,262,157.17

Finding the Fourth Proportional to 18,963,985.50, 26,170,368.87 and 10,262,157.17

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Solution

The fourth proportional to 18,963,985.50, 26,170,368.87 and 10,262,157.17 is: 14,161,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,985.50 : 26,170,368.87 = 10,262,157.17 : x
  2. Step 2: Convert to fraction form
    18,963,985.50/26,170,368.87 = 10,262,157.17/x
  3. Step 3: Cross multiply
    18,963,985.50x = 26,170,368.87 × 10,262,157.17
  4. Step 4: Simplify right side
    18,963,985.50x = 268,564,438,409,963.44
  5. Step 5: Solve for x
    x = 268,564,438,409,963.44/18,963,985.50
  6. Step 6: Final answer
    x = 14,161,814.16

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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.