Finding the Fourth Proportional to 27,375,815.36, 37,774,670.88 and 15,152,643.20
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Solution
The fourth proportional to 27,375,815.36, 37,774,670.88 and 15,152,643.20 is: 20,908,458.88
Step by Step Solution
- Step 1: Write the proportion equation
27,375,815.36 : 37,774,670.88 = 15,152,643.20 : x - Step 2: Convert to fraction form
27,375,815.36/37,774,670.88 = 15,152,643.20/x - Step 3: Cross multiply
27,375,815.36x = 37,774,670.88 × 15,152,643.20 - Step 4: Simplify right side
27,375,815.36x = 572,386,109,842,070 - Step 5: Solve for x
x = 572,386,109,842,070/27,375,815.36 - Step 6: Final answer
x = 20,908,458.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.