Home / 30,746,938.34-42,430,860.43-16,808,461.88

Finding the Fourth Proportional to 30,746,938.34, 42,430,860.43 and 16,808,461.88

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Solution

The fourth proportional to 30,746,938.34, 42,430,860.43 and 16,808,461.88 is: 23,195,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746,938.34 : 42,430,860.43 = 16,808,461.88 : x
  2. Step 2: Convert to fraction form
    30,746,938.34/42,430,860.43 = 16,808,461.88/x
  3. Step 3: Cross multiply
    30,746,938.34x = 42,430,860.43 × 16,808,461.88
  4. Step 4: Simplify right side
    30,746,938.34x = 713,197,499,913,627.50
  5. Step 5: Solve for x
    x = 713,197,499,913,627.50/30,746,938.34
  6. Step 6: Final answer
    x = 23,195,724.14

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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.