Home / 10,020,191.84-13,826,395.12-5,609,688.80

Finding the Fourth Proportional to 10,020,191.84, 13,826,395.12 and 5,609,688.80

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Solution

The fourth proportional to 10,020,191.84, 13,826,395.12 and 5,609,688.80 is: 7,740,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,191.84 : 13,826,395.12 = 5,609,688.80 : x
  2. Step 2: Convert to fraction form
    10,020,191.84/13,826,395.12 = 5,609,688.80/x
  3. Step 3: Cross multiply
    10,020,191.84x = 13,826,395.12 × 5,609,688.80
  4. Step 4: Simplify right side
    10,020,191.84x = 77,561,773,849,038.66
  5. Step 5: Solve for x
    x = 77,561,773,849,038.66/10,020,191.84
  6. Step 6: Final answer
    x = 7,740,547.79

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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.