Finding the Fourth Proportional to 15,176,966.08, 20,943,967.08 and 8,301,388
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Solution
The fourth proportional to 15,176,966.08, 20,943,967.08 and 8,301,388 is: 11,455,780.82
Step by Step Solution
- Step 1: Write the proportion equation
15,176,966.08 : 20,943,967.08 = 8,301,388 : x - Step 2: Convert to fraction form
15,176,966.08/20,943,967.08 = 8,301,388/x - Step 3: Cross multiply
15,176,966.08x = 20,943,967.08 × 8,301,388 - Step 4: Simplify right side
15,176,966.08x = 173,863,996,990,307.03 - Step 5: Solve for x
x = 173,863,996,990,307.03/15,176,966.08 - Step 6: Final answer
x = 11,455,780.82
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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.