Home / 20,159,719.40-30,239,579.10-6,696,547.40

Finding the Fourth Proportional to 20,159,719.40, 30,239,579.10 and 6,696,547.40

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Solution

The fourth proportional to 20,159,719.40, 30,239,579.10 and 6,696,547.40 is: 10,044,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,719.40 : 30,239,579.10 = 6,696,547.40 : x
  2. Step 2: Convert to fraction form
    20,159,719.40/30,239,579.10 = 6,696,547.40/x
  3. Step 3: Cross multiply
    20,159,719.40x = 30,239,579.10 × 6,696,547.40
  4. Step 4: Simplify right side
    20,159,719.40x = 202,500,774,799,199.38
  5. Step 5: Solve for x
    x = 202,500,774,799,199.38/20,159,719.40
  6. Step 6: Final answer
    x = 10,044,821.10

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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.