Finding the Fourth Proportional to 19,486,801.60, 27,326,312 and 19,486,801.60
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Solution
The fourth proportional to 19,486,801.60, 27,326,312 and 19,486,801.60 is: 27,326,312
Step by Step Solution
- Step 1: Write the proportion equation
19,486,801.60 : 27,326,312 = 19,486,801.60 : x - Step 2: Convert to fraction form
19,486,801.60/27,326,312 = 19,486,801.60/x - Step 3: Cross multiply
19,486,801.60x = 27,326,312 × 19,486,801.60 - Step 4: Simplify right side
19,486,801.60x = 532,502,420,403,699.25 - Step 5: Solve for x
x = 532,502,420,403,699.25/19,486,801.60 - Step 6: Final answer
x = 27,326,312
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.