Finding the Fourth Proportional to 15,294,358.08, 21,095,462.88 and 10,065,700.08
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Solution
The fourth proportional to 15,294,358.08, 21,095,462.88 and 10,065,700.08 is: 13,883,590.36
Step by Step Solution
- Step 1: Write the proportion equation
15,294,358.08 : 21,095,462.88 = 10,065,700.08 : x - Step 2: Convert to fraction form
15,294,358.08/21,095,462.88 = 10,065,700.08/x - Step 3: Cross multiply
15,294,358.08x = 21,095,462.88 × 10,065,700.08 - Step 4: Simplify right side
15,294,358.08x = 212,340,602,398,853.03 - Step 5: Solve for x
x = 212,340,602,398,853.03/15,294,358.08 - Step 6: Final answer
x = 13,883,590.36
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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.