Home / 28,453,677.96-42,688,506.78-11,426,307.24

Finding the Fourth Proportional to 28,453,677.96, 42,688,506.78 and 11,426,307.24

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Solution

The fourth proportional to 28,453,677.96, 42,688,506.78 and 11,426,307.24 is: 17,142,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,677.96 : 42,688,506.78 = 11,426,307.24 : x
  2. Step 2: Convert to fraction form
    28,453,677.96/42,688,506.78 = 11,426,307.24/x
  3. Step 3: Cross multiply
    28,453,677.96x = 42,688,506.78 × 11,426,307.24
  4. Step 4: Simplify right side
    28,453,677.96x = 487,771,994,085,103.12
  5. Step 5: Solve for x
    x = 487,771,994,085,103.12/28,453,677.96
  6. Step 6: Final answer
    x = 17,142,669.39

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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.