Home / 28,891,040.40-43,323,961.68-10,927,547.28

Finding the Fourth Proportional to 28,891,040.40, 43,323,961.68 and 10,927,547.28

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Solution

The fourth proportional to 28,891,040.40, 43,323,961.68 and 10,927,547.28 is: 16,386,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891,040.40 : 43,323,961.68 = 10,927,547.28 : x
  2. Step 2: Convert to fraction form
    28,891,040.40/43,323,961.68 = 10,927,547.28/x
  3. Step 3: Cross multiply
    28,891,040.40x = 43,323,961.68 × 10,927,547.28
  4. Step 4: Simplify right side
    28,891,040.40x = 473,424,639,615,108.19
  5. Step 5: Solve for x
    x = 473,424,639,615,108.19/28,891,040.40
  6. Step 6: Final answer
    x = 16,386,555.59

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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.