Home / 19,830,597.56-29,736,322.16-8,312,971.20

Finding the Fourth Proportional to 19,830,597.56, 29,736,322.16 and 8,312,971.20

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Solution

The fourth proportional to 19,830,597.56, 29,736,322.16 and 8,312,971.20 is: 12,465,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830,597.56 : 29,736,322.16 = 8,312,971.20 : x
  2. Step 2: Convert to fraction form
    19,830,597.56/29,736,322.16 = 8,312,971.20/x
  3. Step 3: Cross multiply
    19,830,597.56x = 29,736,322.16 × 8,312,971.20
  4. Step 4: Simplify right side
    19,830,597.56x = 247,197,189,710,001.81
  5. Step 5: Solve for x
    x = 247,197,189,710,001.81/19,830,597.56
  6. Step 6: Final answer
    x = 12,465,443.31

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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.