Home / 12,841,776.90-17,721,622.58-7,041,098.39

Finding the Fourth Proportional to 12,841,776.90, 17,721,622.58 and 7,041,098.39

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Solution

The fourth proportional to 12,841,776.90, 17,721,622.58 and 7,041,098.39 is: 9,716,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,776.90 : 17,721,622.58 = 7,041,098.39 : x
  2. Step 2: Convert to fraction form
    12,841,776.90/17,721,622.58 = 7,041,098.39/x
  3. Step 3: Cross multiply
    12,841,776.90x = 17,721,622.58 × 7,041,098.39
  4. Step 4: Simplify right side
    12,841,776.90x = 124,779,688,092,412.03
  5. Step 5: Solve for x
    x = 124,779,688,092,412.03/12,841,776.90
  6. Step 6: Final answer
    x = 9,716,699.57

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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.