Home / 13,243,848.48-18,274,871.16-7,663,054.32

Finding the Fourth Proportional to 13,243,848.48, 18,274,871.16 and 7,663,054.32

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Solution

The fourth proportional to 13,243,848.48, 18,274,871.16 and 7,663,054.32 is: 10,574,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243,848.48 : 18,274,871.16 = 7,663,054.32 : x
  2. Step 2: Convert to fraction form
    13,243,848.48/18,274,871.16 = 7,663,054.32/x
  3. Step 3: Cross multiply
    13,243,848.48x = 18,274,871.16 × 7,663,054.32
  4. Step 4: Simplify right side
    13,243,848.48x = 140,041,330,390,081.42
  5. Step 5: Solve for x
    x = 140,041,330,390,081.42/13,243,848.48
  6. Step 6: Final answer
    x = 10,574,066.19

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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.