Home / 15,783,698.86-21,775,482.34-9,586,407.89

Finding the Fourth Proportional to 15,783,698.86, 21,775,482.34 and 9,586,407.89

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Solution

The fourth proportional to 15,783,698.86, 21,775,482.34 and 9,586,407.89 is: 13,225,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,698.86 : 21,775,482.34 = 9,586,407.89 : x
  2. Step 2: Convert to fraction form
    15,783,698.86/21,775,482.34 = 9,586,407.89/x
  3. Step 3: Cross multiply
    15,783,698.86x = 21,775,482.34 × 9,586,407.89
  4. Step 4: Simplify right side
    15,783,698.86x = 208,748,655,743,204.34
  5. Step 5: Solve for x
    x = 208,748,655,743,204.34/15,783,698.86
  6. Step 6: Final answer
    x = 13,225,585.31

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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.