Home / 13,854,172.90-19,119,349.05-7,742,601.22

Finding the Fourth Proportional to 13,854,172.90, 19,119,349.05 and 7,742,601.22

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Solution

The fourth proportional to 13,854,172.90, 19,119,349.05 and 7,742,601.22 is: 10,685,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,172.90 : 19,119,349.05 = 7,742,601.22 : x
  2. Step 2: Convert to fraction form
    13,854,172.90/19,119,349.05 = 7,742,601.22/x
  3. Step 3: Cross multiply
    13,854,172.90x = 19,119,349.05 × 7,742,601.22
  4. Step 4: Simplify right side
    13,854,172.90x = 148,033,495,280,135.84
  5. Step 5: Solve for x
    x = 148,033,495,280,135.84/13,854,172.90
  6. Step 6: Final answer
    x = 10,685,119.66

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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.