Finding the Fourth Proportional to 49,390,479.60, 74,088,518.80 and 15,316,669.68
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Solution
The fourth proportional to 49,390,479.60, 74,088,518.80 and 15,316,669.68 is: 22,975,872.65
Step by Step Solution
- Step 1: Write the proportion equation
49,390,479.60 : 74,088,518.80 = 15,316,669.68 : x - Step 2: Convert to fraction form
49,390,479.60/74,088,518.80 = 15,316,669.68/x - Step 3: Cross multiply
49,390,479.60x = 74,088,518.80 × 15,316,669.68 - Step 4: Simplify right side
49,390,479.60x = 1,134,789,369,540,070 - Step 5: Solve for x
x = 1,134,789,369,540,070/49,390,479.60 - Step 6: Final answer
x = 22,975,872.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.