Finding the Fourth Proportional to 39,677,820.21, 54,752,368.95 and 22,270,802.40
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Solution
The fourth proportional to 39,677,820.21, 54,752,368.95 and 22,270,802.40 is: 30,732,010.56
Step by Step Solution
- Step 1: Write the proportion equation
39,677,820.21 : 54,752,368.95 = 22,270,802.40 : x - Step 2: Convert to fraction form
39,677,820.21/54,752,368.95 = 22,270,802.40/x - Step 3: Cross multiply
39,677,820.21x = 54,752,368.95 × 22,270,802.40 - Step 4: Simplify right side
39,677,820.21x = 1,219,379,189,817,345.50 - Step 5: Solve for x
x = 1,219,379,189,817,345.50/39,677,820.21 - Step 6: Final answer
x = 30,732,010.56
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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.