Finding the Fourth Proportional to 51,312,417.16, 70,784,289.18 and 31,727,044.84
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Solution
The fourth proportional to 51,312,417.16, 70,784,289.18 and 31,727,044.84 is: 43,766,722.39
Step by Step Solution
- Step 1: Write the proportion equation
51,312,417.16 : 70,784,289.18 = 31,727,044.84 : x - Step 2: Convert to fraction form
51,312,417.16/70,784,289.18 = 31,727,044.84/x - Step 3: Cross multiply
51,312,417.16x = 70,784,289.18 × 31,727,044.84 - Step 4: Simplify right side
51,312,417.16x = 2,245,776,316,781,387 - Step 5: Solve for x
x = 2,245,776,316,781,387/51,312,417.16 - Step 6: Final answer
x = 43,766,722.39
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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.