Home / 15,470,530.94-21,349,688.28-8,501,641.76

Finding the Fourth Proportional to 15,470,530.94, 21,349,688.28 and 8,501,641.76

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Solution

The fourth proportional to 15,470,530.94, 21,349,688.28 and 8,501,641.76 is: 11,732,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470,530.94 : 21,349,688.28 = 8,501,641.76 : x
  2. Step 2: Convert to fraction form
    15,470,530.94/21,349,688.28 = 8,501,641.76/x
  3. Step 3: Cross multiply
    15,470,530.94x = 21,349,688.28 × 8,501,641.76
  4. Step 4: Simplify right side
    15,470,530.94x = 181,507,401,444,230.59
  5. Step 5: Solve for x
    x = 181,507,401,444,230.59/15,470,530.94
  6. Step 6: Final answer
    x = 11,732,461.03

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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.