Home / 10,631,570.70-15,947,356.05-8,742,002.70

Finding the Fourth Proportional to 10,631,570.70, 15,947,356.05 and 8,742,002.70

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Solution

The fourth proportional to 10,631,570.70, 15,947,356.05 and 8,742,002.70 is: 13,113,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,570.70 : 15,947,356.05 = 8,742,002.70 : x
  2. Step 2: Convert to fraction form
    10,631,570.70/15,947,356.05 = 8,742,002.70/x
  3. Step 3: Cross multiply
    10,631,570.70x = 15,947,356.05 × 8,742,002.70
  4. Step 4: Simplify right side
    10,631,570.70x = 139,411,829,646,961.33
  5. Step 5: Solve for x
    x = 139,411,829,646,961.33/10,631,570.70
  6. Step 6: Final answer
    x = 13,113,004.05

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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.