Finding the Fourth Proportional to 28,090,809.84, 42,136,214.76 and 7,896,051.84
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Solution
The fourth proportional to 28,090,809.84, 42,136,214.76 and 7,896,051.84 is: 11,844,077.76
Step by Step Solution
- Step 1: Write the proportion equation
28,090,809.84 : 42,136,214.76 = 7,896,051.84 : x - Step 2: Convert to fraction form
28,090,809.84/42,136,214.76 = 7,896,051.84/x - Step 3: Cross multiply
28,090,809.84x = 42,136,214.76 × 7,896,051.84 - Step 4: Simplify right side
28,090,809.84x = 332,709,736,086,333.12 - Step 5: Solve for x
x = 332,709,736,086,333.12/28,090,809.84 - Step 6: Final answer
x = 11,844,077.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.