Home / 28,607,639.47-42,930,539.39-10,411,829.57

Finding the Fourth Proportional to 28,607,639.47, 42,930,539.39 and 10,411,829.57

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Solution

The fourth proportional to 28,607,639.47, 42,930,539.39 and 10,411,829.57 is: 15,624,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607,639.47 : 42,930,539.39 = 10,411,829.57 : x
  2. Step 2: Convert to fraction form
    28,607,639.47/42,930,539.39 = 10,411,829.57/x
  3. Step 3: Cross multiply
    28,607,639.47x = 42,930,539.39 × 10,411,829.57
  4. Step 4: Simplify right side
    28,607,639.47x = 446,985,459,610,207.69
  5. Step 5: Solve for x
    x = 446,985,459,610,207.69/28,607,639.47
  6. Step 6: Final answer
    x = 15,624,688.65

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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.