Finding the Fourth Proportional to 8,876,927.56, 12,249,462.34 and 5,438,701.12
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Solution
The fourth proportional to 8,876,927.56, 12,249,462.34 and 5,438,701.12 is: 7,504,980.08
Step by Step Solution
- Step 1: Write the proportion equation
8,876,927.56 : 12,249,462.34 = 5,438,701.12 : x - Step 2: Convert to fraction form
8,876,927.56/12,249,462.34 = 5,438,701.12/x - Step 3: Cross multiply
8,876,927.56x = 12,249,462.34 × 5,438,701.12 - Step 4: Simplify right side
8,876,927.56x = 66,621,164,547,955.82 - Step 5: Solve for x
x = 66,621,164,547,955.82/8,876,927.56 - Step 6: Final answer
x = 7,504,980.08
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1.5x scale
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.