Home / 15,547,085.79-21,455,052.93-8,577,762.98

Finding the Fourth Proportional to 15,547,085.79, 21,455,052.93 and 8,577,762.98

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Solution

The fourth proportional to 15,547,085.79, 21,455,052.93 and 8,577,762.98 is: 11,837,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,085.79 : 21,455,052.93 = 8,577,762.98 : x
  2. Step 2: Convert to fraction form
    15,547,085.79/21,455,052.93 = 8,577,762.98/x
  3. Step 3: Cross multiply
    15,547,085.79x = 21,455,052.93 × 8,577,762.98
  4. Step 4: Simplify right side
    15,547,085.79x = 184,036,358,649,619.25
  5. Step 5: Solve for x
    x = 184,036,358,649,619.25/15,547,085.79
  6. Step 6: Final answer
    x = 11,837,354.03

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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.