Home / 13,579,483.95-18,735,099.53-7,698,487.86

Finding the Fourth Proportional to 13,579,483.95, 18,735,099.53 and 7,698,487.86

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Solution

The fourth proportional to 13,579,483.95, 18,735,099.53 and 7,698,487.86 is: 10,621,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,483.95 : 18,735,099.53 = 7,698,487.86 : x
  2. Step 2: Convert to fraction form
    13,579,483.95/18,735,099.53 = 7,698,487.86/x
  3. Step 3: Cross multiply
    13,579,483.95x = 18,735,099.53 × 7,698,487.86
  4. Step 4: Simplify right side
    13,579,483.95x = 144,231,936,249,104.25
  5. Step 5: Solve for x
    x = 144,231,936,249,104.25/13,579,483.95
  6. Step 6: Final answer
    x = 10,621,312.03

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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.