Finding the Fourth Proportional to 15,185,326.40, 22,779,987.60 and 5,607,432.80
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Solution
The fourth proportional to 15,185,326.40, 22,779,987.60 and 5,607,432.80 is: 8,411,886.99
Step by Step Solution
- Step 1: Write the proportion equation
15,185,326.40 : 22,779,987.60 = 5,607,432.80 : x - Step 2: Convert to fraction form
15,185,326.40/22,779,987.60 = 5,607,432.80/x - Step 3: Cross multiply
15,185,326.40x = 22,779,987.60 × 5,607,432.80 - Step 4: Simplify right side
15,185,326.40x = 127,737,249,651,833.28 - Step 5: Solve for x
x = 127,737,249,651,833.28/15,185,326.40 - Step 6: Final answer
x = 8,411,886.99
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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.