Home / 8,688,731.30-13,037,762.55-3,640,552.10

Finding the Fourth Proportional to 8,688,731.30, 13,037,762.55 and 3,640,552.10

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Solution

The fourth proportional to 8,688,731.30, 13,037,762.55 and 3,640,552.10 is: 5,462,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,731.30 : 13,037,762.55 = 3,640,552.10 : x
  2. Step 2: Convert to fraction form
    8,688,731.30/13,037,762.55 = 3,640,552.10/x
  3. Step 3: Cross multiply
    8,688,731.30x = 13,037,762.55 × 3,640,552.10
  4. Step 4: Simplify right side
    8,688,731.30x = 47,464,653,830,703.86
  5. Step 5: Solve for x
    x = 47,464,653,830,703.86/8,688,731.30
  6. Step 6: Final answer
    x = 5,462,783.02

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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.